The Storm Worm (dubbed so by the Finnish company F-Secure ) is a phishing backdoor Trojan horse that affects computers using Microsoft operating systems, discovered on January 17, 2007. The worm is also known as:
128-572: The Storm Worm began attacking thousands of (mostly private) computers in Europe and the United States on Friday, January 19, 2007, using an e-mail message with a subject line about a recent weather disaster, "230 dead as storm batters Europe". During the weekend there were six subsequent waves of the attack. As of January 22, 2007, the Storm Worm accounted for 8% of all malware infections globally. There
256-525: A firewall in that a conventional network firewall (distinct from a next-generation firewall ) uses a static set of rules to permit or deny network connections. It implicitly prevents intrusions, assuming an appropriate set of rules have been defined. Essentially, firewalls limit access between networks to prevent intrusion and do not signal an attack from inside the network. An IDS describes a suspected intrusion once it has taken place and signals an alarm. An IDS also watches for attacks that originate from within
384-489: A temperate climate , tempering winters and summers, on much of the continent. Further from the sea, seasonal differences are more noticeable producing more continental climates . European culture consists of a range of national and regional cultures, which form the central roots of the wider Western civilisation , and together commonly reference ancient Greece and ancient Rome , particularly through their Christian successors , as crucial and shared roots. Beginning with
512-842: A German naturalist, Peter Simon Pallas , as a valley that once connected the Black Sea and the Caspian Sea, and subsequently was proposed as a natural boundary between continents. By the mid-19th century, there were three main conventions, one following the Don, the Volga–Don Canal and the Volga, the other following the Kuma–Manych Depression to the Caspian and then the Ural River, and the third abandoning
640-631: A Semitic term for west , this being either Akkadian erebu meaning 'to go down, set' (said of the sun) or Phoenician 'ereb 'evening, west', which is at the origin of Arabic maghreb and Hebrew ma'arav . Martin Litchfield West stated that "phonologically, the match between Europa's name and any form of the Semitic word is very poor", while Beekes considers a connection to Semitic languages improbable. Most major world languages use words derived from Eurṓpē or Europa to refer to
768-513: A Sun-3/50 workstation. The Information Security Officer's Assistant (ISOA) was a 1990 prototype that considered a variety of strategies including statistics, a profile checker, and an expert system. ComputerWatch at AT&T Bell Labs used statistics and rules for audit data reduction and intrusion detection. Then, in 1991, researchers at the University of California, Davis created a prototype Distributed Intrusion Detection System (DIDS), which
896-594: A bottleneck that would impair the overall speed of the network. OPNET and NetSim are commonly used tools for simulating network intrusion detection systems. NID Systems are also capable of comparing signatures for similar packets to link and drop harmful detected packets which have a signature matching the records in the NIDS. When we classify the design of the NIDS according to the system interactivity property, there are two types: on-line and off-line NIDS, often referred to as inline and tap mode, respectively. On-line NIDS deals with
1024-791: A boundary along the Terek and Kuban rivers, so southwards from the Kuma and the Manych, but still with the Caucasus entirely in Asia. However, most geographers in the Soviet Union favoured the boundary along the Caucasus crest, and this became the common convention in the later 20th century, although the Kuma–Manych boundary remained in use in some 20th-century maps. Some view the separation of Eurasia into Asia and Europe as
1152-567: A common currency, the euro , and participate in the European single market and a customs union . A large bloc of countries, the Schengen Area , have also abolished internal border and immigration controls. Regular popular elections take place every five years within the EU; they are considered to be the second-largest democratic elections in the world after India's . The EU is the third-largest economy in
1280-554: A connection or blocking traffic from the offending IP address. An IPS also can correct cyclic redundancy check (CRC) errors, defragment packet streams, mitigate TCP sequencing issues, and clean up unwanted transport and network layer options. Intrusion prevention systems can be classified into four different types: The majority of intrusion prevention systems utilize one of three detection methods: signature-based, statistical anomaly-based, and stateful protocol analysis. The correct placement of intrusion detection systems
1408-415: A firewall in order to be able to intercept sophisticated attacks entering the network. Examples of advanced features would include multiple security contexts in the routing level and bridging mode. All of this in turn potentially reduces cost and operational complexity. Another option for IDS placement is within the actual network. These will reveal attacks or suspicious activity within the network. Ignoring
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#17328981926791536-406: A large land mass completely or almost completely surrounded by water at its borders. Prior to the adoption of the current convention that includes mountain divides, the border between Europe and Asia had been redefined several times since its first conception in classical antiquity , but always as a series of rivers, seas and straits that were believed to extend an unknown distance east and north from
1664-491: A model of an IDS in 1986 that formed the basis for many systems today. Her model used statistics for anomaly detection , and resulted in an early IDS at SRI International named the Intrusion Detection Expert System (IDES), which ran on Sun workstations and could consider both user and network level data. IDES had a dual approach with a rule-based Expert System to detect known types of intrusions plus
1792-465: A necessary addition to the security infrastructure of nearly every organization. IDPS typically record information related to observed events, notify security administrators of important observed events and produce reports. Many IDPS can also respond to a detected threat by attempting to prevent it from succeeding. They use several response techniques, which involve the IDPS stopping the attack itself, changing
1920-730: A precise eastern boundary of Europe arises in the Early Modern period, as the eastern extension of Muscovy began to include North Asia . Throughout the Middle Ages and into the 18th century, the traditional division of the landmass of Eurasia into two continents, Europe and Asia, followed Ptolemy, with the boundary following the Turkish Straits , the Black Sea , the Kerch Strait , the Sea of Azov and
2048-551: A researcher with Symantec 's security response group. When an attachment is opened, the malware installs the wincom32 service, and injects a payload, passing on packets to destinations encoded within the malware itself. According to Symantec, it may also download and run the Trojan.Abwiz.F trojan, and the W32.Mixor.Q@mm worm . The Trojan piggybacks on the spam with names such as "postcard .exe " and "Flash Postcard.exe," with more changes from
2176-701: A residue of Eurocentrism : "In physical, cultural and historical diversity, China and India are comparable to the entire European landmass, not to a single European country. [...]." During the 2.5 million years of the Pleistocene , numerous cold phases called glacials ( Quaternary ice age ), or significant advances of continental ice sheets, in Europe and North America, occurred at intervals of approximately 40,000 to 100,000 years. The long glacial periods were separated by more temperate and shorter interglacials which lasted about 10,000–15,000 years. The last cold episode of
2304-661: A result, the Reconquista took the greater part of eight hundred years, in which period a long list of Alfonsos, Sanchos, Ordoños, Ramiros, Fernandos, and Bermudos would be fighting their Christian rivals as much as the Muslim invaders. During the Dark Ages, the Western Roman Empire fell under the control of various tribes. The Germanic and Slav tribes established their domains over Western and Eastern Europe, respectively. Eventually
2432-412: A similar way to a peer-to-peer network , with no centralized control. Each compromised machine connects to a list of a subset of the entire botnet - around 30 to 35 other compromised machines, which act as hosts . While each of the infected hosts share lists of other infected hosts, no one machine has a full list of the entire botnet - each only has a subset, making it difficult to gauge the true extent of
2560-616: A statistical anomaly detection component based on profiles of users, host systems, and target systems. The author of "IDES: An Intelligent System for Detecting Intruders", Teresa F. Lunt, proposed adding an artificial neural network as a third component. She said all three components could then report to a resolver. SRI followed IDES in 1993 with the Next-generation Intrusion Detection Expert System (NIDES). The Multics intrusion detection and alerting system (MIDAS), an expert system using P-BEST and Lisp ,
2688-434: A system. This is traditionally achieved by examining network communications, identifying heuristics and patterns (often known as signatures) of common computer attacks, and taking action to alert operators. A system that terminates connections is called an intrusion prevention system, and performs access control like an application layer firewall . IDS can be classified by where detection takes place (network or host ) or
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#17328981926792816-616: A user machine or account. Gartner has noted that some organizations have opted for NTA over more traditional IDS. Some systems may attempt to stop an intrusion attempt but this is neither required nor expected of a monitoring system. Intrusion detection and prevention systems (IDPS) are primarily focused on identifying possible incidents, logging information about them, and reporting attempts. In addition, organizations use IDPS for other purposes, such as identifying problems with security policies, documenting existing threats and deterring individuals from violating security policies. IDPS have become
2944-705: Is a device or software application that monitors a network or systems for malicious activity or policy violations. Any intrusion activity or violation is typically either reported to an administrator or collected centrally using a security information and event management (SIEM) system. A SIEM system combines outputs from multiple sources and uses alarm filtering techniques to distinguish malicious activity from false alarms . IDS types range in scope from single computers to large networks. The most common classifications are network intrusion detection systems ( NIDS ) and host-based intrusion detection systems ( HIDS ). A system that monitors important operating system files
3072-521: Is a strategy where a technician will place their first IDS at the point of highest visibility and depending on resource availability will place another at the next highest point, continuing that process until all points of the network are covered. If an IDS is placed beyond a network's firewall, its main purpose would be to defend against noise from the internet but, more importantly, defend against common attacks, such as port scans and network mapper. An IDS in this position would monitor layers 4 through 7 of
3200-401: Is also evidence that Homo sapiens arrived in Europe around 54,000 years ago, some 10,000 years earlier than previously thought. The earliest sites in Europe dated 48,000 years ago are Riparo Mochi (Italy), Geissenklösterle (Germany) and Isturitz (France). The European Neolithic period—marked by the cultivation of crops and the raising of livestock, increased numbers of settlements and
3328-419: Is an example of an HIDS, while a system that analyzes incoming network traffic is an example of an NIDS. It is also possible to classify IDS by detection approach. The most well-known variants are signature-based detection (recognizing bad patterns, such as malware ) and anomaly-based detection (detecting deviations from a model of "good" traffic, which often relies on machine learning ). Another common variant
3456-481: Is closest to Anatolia (or Asia Minor), but is considered part of Europe politically and it is a member state of the EU. Malta was considered an island of North-western Africa for centuries, but now it is considered to be part of Europe as well. "Europe", as used specifically in British English , may also refer to Continental Europe exclusively. The term "continent" usually implies the physical geography of
3584-722: Is commonly considered to be separated from Asia by the watershed of the Ural Mountains , the Ural River , the Caspian Sea , the Greater Caucasus , the Black Sea , and the waterway of the Bosporus Strait . Europe covers about 10.18 million km (3.93 million sq mi), or 2% of Earth's surface (6.8% of land area), making it the second-smallest continent (using the seven-continent model ). Politically, Europe
3712-474: Is critical and varies depending on the network. The most common placement is behind the firewall, on the edge of a network. This practice provides the IDS with high visibility of traffic entering your network and will not receive any traffic between users on the network. The edge of the network is the point in which a network connects to the extranet. Another practice that can be accomplished if more resources are available
3840-472: Is divided into about fifty sovereign states , of which Russia is the largest and most populous , spanning 39% of the continent and comprising 15% of its population. Europe had a total population of about 745 million (about 10% of the world population ) in 2021; the third-largest after Asia and Africa. The European climate is affected by warm Atlantic currents, such as the Gulf Stream , which produce
3968-494: Is evidence, according to PCWorld , that the Storm Worm was of Russian origin, possibly traceable to the Russian Business Network . Originally propagated in messages about Cyclone Kyrill , the Storm Worm has also been seen in emails with the following subjects: "During our tests we saw an infected machine sending a burst of almost 1,800 emails in a five-minute period and then it just stopped." –Amado Hidalgo,
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4096-556: Is generally considered a transcontinental country divided entirely by water, while Russia and Kazakhstan are only partly divided by waterways. France, the Netherlands, Portugal and Spain are also transcontinental (or more properly, intercontinental, when oceans or large seas are involved) in that their main land areas are in Europe while pockets of their territories are located on other continents separated from Europe by large bodies of water. Spain, for example, has territories south of
4224-421: Is identified, or abnormal behavior is sensed, the alert can be sent to the administrator. NIDS function to safeguard every device and the entire network from unauthorized access. An example of an NIDS would be installing it on the subnet where firewalls are located in order to see if someone is trying to break into the firewall. Ideally one would scan all inbound and outbound traffic, however doing so might create
4352-520: Is reputation-based detection (recognizing the potential threat according to the reputation scores). Some IDS products have the ability to respond to detected intrusions. Systems with response capabilities are typically referred to as an intrusion prevention system ( IPS ). Intrusion detection systems can also serve specific purposes by augmenting them with custom tools, such as using a honeypot to attract and characterize malicious traffic. Although they both relate to network security , an IDS differs from
4480-533: Is sometimes considered to mark the end of antiquity; alternatively antiquity is considered to end with the fall of the Western Roman Empire in 476 CE; the closure of the pagan Platonic Academy of Athens in 529 CE; or the rise of Islam in the early 7th century CE. During most of its existence, the Byzantine Empire was one of the most powerful economic, cultural, and military forces in Europe. During
4608-422: Is somewhat arbitrary and inconsistent compared to any clear-cut definition of the term "continent". The current division of Eurasia into two continents now reflects East-West cultural, linguistic and ethnic differences which vary on a spectrum rather than with a sharp dividing line. The geographic border between Europe and Asia does not follow any state boundaries and now only follows a few bodies of water. Turkey
4736-437: Is the detection of attacks by looking for specific patterns, such as byte sequences in network traffic, or known malicious instruction sequences used by malware. This terminology originates from anti-virus software , which refers to these detected patterns as signatures. Although signature-based IDS can easily detect known attacks, it is difficult to detect new attacks, for which no pattern is available. In signature-based IDS,
4864-809: The Carolingian Renaissance of the 9th century. From that time, the term designated the sphere of influence of the Western Church , as opposed to both the Eastern Orthodox churches and to the Islamic world . A cultural definition of Europe as the lands of Latin Christendom coalesced in the 8th century, signifying the new cultural condominium created through the confluence of Germanic traditions and Christian-Latin culture, defined partly in contrast with Byzantium and Islam , and limited to northern Iberia ,
4992-509: The Don (ancient Tanais ). But maps produced during the 16th to 18th centuries tended to differ in how to continue the boundary beyond the Don bend at Kalach-na-Donu (where it is closest to the Volga, now joined with it by the Volga–Don Canal ), into territory not described in any detail by the ancient geographers. Around 1715, Herman Moll produced a map showing the northern part of the Ob River and
5120-557: The European population at the time. The plague had a devastating effect on Europe's social structure; it induced people to live for the moment as illustrated by Giovanni Boccaccio in The Decameron (1353). It was a serious blow to the Roman Catholic Church and led to increased persecution of Jews , beggars and lepers . The plague is thought to have returned every generation with varying virulence and mortalities until
5248-508: The Greeks and Phoenicians gave rise to early Mediterranean cities. Early Iron Age Italy and Greece from around the 8th century BCE gradually gave rise to historical Classical antiquity, whose beginning is sometimes dated to 776 BCE, the year of the first Olympic Games . Ancient Greece was the founding culture of Western civilisation. Western democratic and rationalist culture are often attributed to Ancient Greece. The Greek city-state,
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5376-612: The Inquisition against heretics. In the Iberian Peninsula , the Reconquista concluded with the fall of Granada in 1492 , ending over seven centuries of Islamic rule in the south-western peninsula. In the east, a resurgent Byzantine Empire recaptured Crete and Cyprus from the Muslims, and reconquered the Balkans. Constantinople was the largest and wealthiest city in Europe from the 9th to
5504-764: The Iron Curtain , with NATO in the West and the Warsaw Pact in the East . This divide ended with the Revolutions of 1989 , the fall of the Berlin Wall , and the dissolution of the Soviet Union , which allowed European integration to advance significantly. European integration is being advanced institutionally since 1948 with the founding of the Council of Europe , and significantly through
5632-706: The Irtysh River , a major tributary of the Ob, as components of a series of partly-joined waterways taking the boundary between Europe and Asia from the Turkish Straits, and the Don River all the way to the Arctic Ocean. In 1721, he produced a more up to date map that was easier to read. However, his proposal to adhere to major rivers as the line of demarcation was never taken up by other geographers who were beginning to move away from
5760-604: The Los Alamos National Laboratory . W&S created rules based on statistical analysis, and then used those rules for anomaly detection. In 1990, the Time-based Inductive Machine (TIM) did anomaly detection using inductive learning of sequential user patterns in Common Lisp on a VAX 3500 computer. The Network Security Monitor (NSM) performed masking on access matrices for anomaly detection on
5888-532: The Mediterranean Sea —namely, Ceuta and Melilla —which are parts of Africa and share a border with Morocco. According to the current convention, Georgia and Azerbaijan are transcontinental countries where waterways have been completely replaced by mountains as the divide between continents. The first recorded usage of Eurṓpē as a geographic term is in the Homeric Hymn to Delian Apollo , in reference to
6016-680: The Megalithic Temples of Malta and Stonehenge , were constructed throughout Western and Southern Europe. The modern native populations of Europe largely descend from three distinct lineages: Mesolithic hunter-gatherers , descended from populations associated with the Paleolithic Epigravettian culture; Neolithic Early European Farmers who migrated from Anatolia during the Neolithic Revolution 9,000 years ago; and Yamnaya Steppe herders who expanded into Europe from
6144-588: The Neandertal valley in Germany ) appeared in Europe 150,000 years ago (115,000 years ago it is found already in the territory of present-day Poland ) and disappeared from the fossil record about 40,000 years ago, with their final refuge being the Iberian Peninsula. The Neanderthals were supplanted by modern humans ( Cro-Magnons ), who seem to have appeared in Europe around 43,000 to 40,000 years ago. However, there
6272-635: The Pechenegs and the Cuman-Kipchaks , caused a massive migration of Slavic populations to the safer, heavily forested regions of the north, and temporarily halted the expansion of the Rus' state to the south and east. Like many other parts of Eurasia , these territories were overrun by the Mongols . The invaders, who became known as Tatars , were mostly Turkic-speaking peoples under Mongol suzerainty. They established
6400-672: The Pontic–Caspian steppe of Ukraine and southern Russia in the context of Indo-European migrations 5,000 years ago. The European Bronze Age began c. 3200 BCE in Greece with the Minoan civilisation on Crete , the first advanced civilisation in Europe. The Minoans were followed by the Myceneans , who collapsed suddenly around 1200 BCE, ushering the European Iron Age . Iron Age colonisation by
6528-406: The Serbian Principality (later Kingdom and Empire ), and the Duchy of Croatia (later Kingdom of Croatia ). To the east, Kievan Rus' expanded from its capital in Kiev to become the largest state in Europe by the 10th century. In 988, Vladimir the Great adopted Orthodox Christianity as the religion of state. Further east, Volga Bulgaria became an Islamic state in the 10th century, but
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#17328981926796656-426: The decline of the Roman Empire , Europe entered a long period of change arising from what historians call the " Age of Migrations ". There were numerous invasions and migrations amongst the Ostrogoths , Visigoths , Goths , Vandals , Huns , Franks , Angles , Saxons , Slavs , Avars , Bulgars , Vikings , Pechenegs , Cumans , and Magyars . Renaissance thinkers such as Petrarch would later refer to this as
6784-465: The fall of the Western Roman Empire in 476 CE, Christian consolidation of Europe in the wake of the Migration Period marked the European post-classical Middle Ages . The Italian Renaissance spread in the continent a new humanist interest in art and science which led to the modern era . Since the Age of Discovery , led by Spain and Portugal , Europe played a predominant role in global affairs with multiple explorations and conquests around
6912-432: The last glacial period ended about 10,000 years ago. Earth is currently in an interglacial period of the Quaternary, called the Holocene . Homo erectus georgicus , which lived roughly 1.8 million years ago in Georgia , is the earliest hominin to have been discovered in Europe. Other hominin remains, dating back roughly 1 million years, have been discovered in Atapuerca , Spain . Neanderthal man (named after
7040-517: The polis , was the fundamental political unit of classical Greece. In 508 BCE, Cleisthenes instituted the world's first democratic system of government in Athens . The Greek political ideals were rediscovered in the late 18th century by European philosophers and idealists. Greece also generated many cultural contributions: in philosophy , humanism and rationalism under Aristotle , Socrates and Plato ; in history with Herodotus and Thucydides ; in dramatic and narrative verse, starting with
7168-413: The zombie network . On 7 September 2007, estimates of the size of the Storm botnet ranged from 1 to 10 million computers. Researchers from the University of Mannheim and the Institut Eurecom have estimated concurrent online storm nodes to be between 5,000 and 40,000. Another action the Storm Worm takes is to install the rootkit Win32.agent.dh. Symantec pointed out that flawed rootkit code voids some of
7296-402: The "Dark Ages". Isolated monastic communities were the only places to safeguard and compile written knowledge accumulated previously; apart from this, very few written records survive. Much literature, philosophy, mathematics, and other thinking from the classical period disappeared from Western Europe, though they were preserved in the east, in the Byzantine Empire. While the Roman empire in
7424-461: The 12th centuries, with a population of approximately 400,000. The Empire was weakened following the defeat at Manzikert , and was weakened considerably by the sack of Constantinople in 1204 , during the Fourth Crusade . Although it would recover Constantinople in 1261, Byzantium fell in 1453 when Constantinople was taken by the Ottoman Empire . In the 11th and 12th centuries, constant incursions by nomadic Turkic tribes, such as
7552-401: The 12th to the 15th centuries, the Grand Duchy of Moscow grew from a small principality under Mongol rule to the largest state in Europe, overthrowing the Mongols in 1480, and eventually becoming the Tsardom of Russia . The state was consolidated under Ivan III the Great and Ivan the Terrible , steadily expanding to the east and south over the next centuries. The Great Famine of 1315–1317
7680-512: The 14th and 16th centuries: it saw the flowering of art , philosophy , music , and the sciences , under the joint patronage of royalty , the nobility, the Roman Catholic Church and an emerging merchant class. Patrons in Italy, including the Medici family of Florentine bankers and the Popes in Rome , funded prolific quattrocento and cinquecento artists such as Raphael , Michelangelo and Leonardo da Vinci . Intrusion detection system An intrusion detection system ( IDS )
7808-444: The 18th century. During this period, more than 100 plague epidemics swept across Europe. The Renaissance was a period of cultural change originating in Florence , and later spreading to the rest of Europe. The rise of a new humanism was accompanied by the recovery of forgotten classical Greek and Arabic knowledge from monastic libraries, often translated from Arabic into Latin . The Renaissance spread across Europe between
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#17328981926797936-400: The 50 years of peace that followed are known as Golden Age of Athens , the seminal period of ancient Greece that laid many of the foundations of Western civilisation. Greece was followed by Rome , which left its mark on law , politics , language , engineering , architecture , government , and many more key aspects in western civilisation. By 200 BCE, Rome had conquered Italy and over
8064-421: The British Isles, France, Christianised western Germany, the Alpine regions and northern and central Italy. The concept is one of the lasting legacies of the Carolingian Renaissance : Europa often figures in the letters of Charlemagne's court scholar, Alcuin . The transition of Europe to being a cultural term as well as a geographic one led to the borders of Europe being affected by cultural considerations in
8192-448: The Don altogether, following the Greater Caucasus watershed to the Caspian. The question was still treated as a "controversy" in geographical literature of the 1860s, with Douglas Freshfield advocating the Caucasus crest boundary as the "best possible", citing support from various "modern geographers". In Russia and the Soviet Union , the boundary along the Kuma–Manych Depression was the most commonly used as early as 1906. In 1958,
8320-427: The Early Middle Ages, and soon spread throughout Europe. A struggle for influence between the nobility and the monarchy in England led to the writing of Magna Carta and the establishment of a parliament . The primary source of culture in this period came from the Roman Catholic Church . Through monasteries and cathedral schools , the Church was responsible for education in much of Europe. The Papacy reached
8448-452: The East, especially relating to areas under Byzantine, Ottoman, and Russian influence. Such questions were affected by the positive connotations associated with the term Europe by its users. Such cultural considerations were not applied to the Americas, despite their conquest and settlement by European states. Instead, the concept of "Western civilization" emerged as a way of grouping together Europe and these colonies. The question of defining
8576-421: The Frankish tribes were united under Clovis I . Charlemagne , a Frankish king of the Carolingian dynasty who had conquered most of Western Europe, was anointed " Holy Roman Emperor " by the Pope in 800. This led in 962 to the founding of the Holy Roman Empire , which eventually became centred in the German principalities of central Europe. East Central Europe saw the creation of the first Slavic states and
8704-404: The Great 's efforts to make Russia more European, ignored the whole boundary question with his claim that neither Russia, Scandinavia, northern Germany, nor Poland were fully part of Europe. Since then, many modern analytical geographers like Halford Mackinder have declared that they see little validity in the Ural Mountains as a boundary between continents. The mapmakers continued to differ on
8832-427: The Levant and North Africa and making inroads into Asia Minor . In the mid-7th century, following the Muslim conquest of Persia , Islam penetrated into the Caucasus region. Over the next centuries Muslim forces took Cyprus , Malta , Crete , Sicily , and parts of southern Italy . Between 711 and 720, most of the lands of the Visigothic Kingdom of Iberia were brought under Muslim rule—save for small areas in
8960-414: The Mediterranean Sea without the inclusion of any mountain ranges. Cartographer Herman Moll suggested in 1715 Europe was bounded by a series of partly-joined waterways directed towards the Turkish straits, and the Irtysh River draining into the upper part of the Ob River and the Arctic Ocean . In contrast, the present eastern boundary of Europe partially adheres to the Ural and Caucasus Mountains, which
9088-451: The OSI model and would be signature-based. This is a very useful practice, because rather than showing actual breaches into the network that made it through the firewall, attempted breaches will be shown which reduces the amount of false positives. The IDS in this position also assists in decreasing the amount of time it takes to discover successful attacks against a network. Sometimes an IDS with more advanced features will be integrated with
9216-710: The Soviet Geographical Society formally recommended that the boundary between the Europe and Asia be drawn in textbooks from Baydaratskaya Bay , on the Kara Sea , along the eastern foot of Ural Mountains, then following the Ural River until the Mugodzhar Hills , and then the Emba River ; and Kuma–Manych Depression, thus placing the Caucasus entirely in Asia and the Urals entirely in Europe. The Flora Europaea adopted
9344-502: The Storm Worm author's plans. Later variants, starting around July 2007, loaded the rootkit component by patching existing Windows drivers such as tcpip.sys and cdrom.sys with a stub of code that loads the rootkit driver module without requiring it to have an entry in the Windows driver list. On April 1, 2008, a new Storm Worm was released onto the net, with April Fools' -themed subject titles. The list of antivirus companies that can detect
9472-450: The Storm Worm include Authentium , BitDefender , ClamAV , eSafe , Eset , F-Prot , F-Secure , Kaspersky , McAfee , Sophos , Symantec , Trend Micro , avast! and Windows Live OneCare . The Storm Worm is constantly being updated by its authors to evade antivirus detection, so this does not imply that all the vendors listed above are able to detect all the Storm Worm variants. An intrusion detection system offers some protection from
9600-498: The Storm botnet comprises between 1 and 10 million PCs depending on whose estimates you believe. Although Dr. Gutmann makes a hardware resource comparison between the Storm botnet and distributed memory and distributed shared memory high performance computers at TOP500 , exact performance matches were not his intention—rather a more general appreciation of the botnet's size compared to other massive computing resources. Consider for example
9728-500: The Tanais (the modern Don River) as the boundary. The Roman Empire did not attach a strong identity to the concept of continental divisions. However, following the fall of the Western Roman Empire , the culture that developed in its place , linked to Latin and the Catholic church, began to associate itself with the concept of "Europe". The term "Europe" is first used for a cultural sphere in
9856-459: The Trojan horse it uses to infect systems changes its packing code every 10 minutes, and, once installed, the bot uses fast flux to change the IP addresses for its command and control servers. The compromised machine becomes merged into a botnet . While most botnets are controlled through a central server , which if found can be taken down to destroy the botnet, the Storm Worm seeds a botnet that acts in
9984-486: The adoption of Christianity ( c. 1000 CE) . The powerful West Slavic state of Great Moravia spread its territory all the way south to the Balkans, reaching its largest territorial extent under Svatopluk I and causing a series of armed conflicts with East Francia . Further south, the first South Slavic states emerged in the late 7th and 8th century and adopted Christianity : the First Bulgarian Empire ,
10112-445: The applications and hardware configurations, machine learning based method has a better generalized property in comparison to traditional signature-based IDS. Although this approach enables the detection of previously unknown attacks, it may suffer from false positives : previously unknown legitimate activity may also be classified as malicious. Most of the existing IDSs suffer from the time-consuming during detection process that degrades
10240-625: The basis of many modern legal systems, funded the construction of the Hagia Sophia and brought the Christian church under state control. From the 7th century onwards, as the Byzantines and neighbouring Sasanid Persians were severely weakened due to the protracted, centuries-lasting and frequent Byzantine–Sasanian wars , the Muslim Arabs began to make inroads into historically Roman territory, taking
10368-556: The boundary between the lower Don and Samara well into the 19th century. The 1745 atlas published by the Russian Academy of Sciences has the boundary follow the Don beyond Kalach as far as Serafimovich before cutting north towards Arkhangelsk , while other 18th- to 19th-century mapmakers such as John Cary followed Strahlenberg's prescription. To the south, the Kuma–Manych Depression was identified c. 1773 by
10496-460: The continent The prevalent definition of Europe as a geographical term has been in use since the mid-19th century. Europe is taken to be bounded by large bodies of water to the north, west and south; Europe's limits to the east and north-east are usually taken to be the Ural Mountains , the Ural River , and the Caspian Sea ; to the south-east, the Caucasus Mountains , the Black Sea , and
10624-561: The continent. Chinese, for example, uses the word Ōuzhōu ( 歐洲 / 欧洲 ), which is an abbreviation of the transliterated name Ōuluóbā zhōu ( 歐羅巴洲 ) ( zhōu means "continent"); a similar Chinese-derived term Ōshū ( 欧州 ) is also sometimes used in Japanese such as in the Japanese name of the European Union, Ōshū Rengō ( 欧州連合 ) , despite the katakana Yōroppa ( ヨーロッパ ) being more commonly used. In some Turkic languages,
10752-621: The continents as the lands given by Noah to his three sons; Europe was defined as stretching from the Pillars of Hercules at the Strait of Gibraltar , separating it from Northwest Africa , to the Don, separating it from Asia. The convention received by the Middle Ages and surviving into modern usage is that of the Roman era used by Roman-era authors such as Posidonius , Strabo , and Ptolemy , who took
10880-406: The cycle repeats and allows the system to automatically recognize new unforeseen patterns in the network. This system can average 99.9% detection and classification rate, based on research results of 24 network attacks, divided in four categories: DOS, Probe, Remote-to-Local, and user-to-root. Host intrusion detection systems (HIDS) run on individual hosts or devices on the network. A HIDS monitors
11008-403: The detection method that is employed (signature or anomaly-based). Network intrusion detection systems (NIDS) are placed at a strategic point or points within the network to monitor traffic to and from all devices on the network. It performs an analysis of passing traffic on the entire subnet , and matches the traffic that is passed on the subnets to the library of known attacks. Once an attack
11136-616: The development of major commercial routes along the coast of the Mediterranean and Baltic Seas . The growing wealth and independence acquired by some coastal cities gave the Maritime Republics a leading role in the European scene. The Middle Ages on the mainland were dominated by the two upper echelons of the social structure: the nobility and the clergy. Feudalism developed in France in
11264-635: The end of the 18th century, gave rise to radical economic, cultural, and social change in Western Europe and eventually the wider world. Both world wars began and were fought to a great extent in Europe, contributing to a decline in Western European dominance in world affairs by the mid-20th century as the Soviet Union and the United States took prominence and competed over dominance in Europe and globally. The resulting Cold War divided Europe along
11392-570: The epic poems of Homer ; in drama with Sophocles and Euripides ; in medicine with Hippocrates and Galen ; and in science with Pythagoras , Euclid , and Archimedes . In the course of the 5th century BCE, several of the Greek city states would ultimately check the Achaemenid Persian advance in Europe through the Greco-Persian Wars , considered a pivotal moment in world history, as
11520-567: The following two centuries it conquered Greece , Hispania ( Spain and Portugal ), the North African coast, much of the Middle East , Gaul ( France and Belgium ), and Britannia ( England and Wales ). Expanding from their base in central Italy beginning in the third century BCE, the Romans gradually expanded to eventually rule the entire Mediterranean basin and Western Europe by the turn of
11648-624: The height of its power during the High Middle Ages. An East-West Schism in 1054 split the former Roman Empire religiously, with the Eastern Orthodox Church in the Byzantine Empire and the Roman Catholic Church in the former Western Roman Empire. In 1095 Pope Urban II called for a crusade against Muslims occupying Jerusalem and the Holy Land . In Europe itself, the Church organised
11776-425: The hidden layers and non-linear modeling, however this process requires time due its complex structure. This allows IDS to more efficiently recognize intrusion patterns. Neural networks assist IDS in predicting attacks by learning from mistakes; ANN based IDS help develop an early warning system, based on two layers. The first layer accepts single values, while the second layer takes the first's layers output as input;
11904-499: The idea of water boundaries as the only legitimate divides between Europe and Asia. Four years later, in 1725, Philip Johan von Strahlenberg was the first to depart from the classical Don boundary. He drew a new line along the Volga , following the Volga north until the Samara Bend , along Obshchy Syrt (the drainage divide between the Volga and Ural Rivers ), then north and east along
12032-517: The importance of IDS in networks with mobile nodes. In 2015, Viegas and his colleagues proposed an anomaly-based intrusion detection engine, aiming System-on-Chip (SoC) for applications in Internet of Things (IoT), for instance. The proposal applies machine learning for anomaly detection, providing energy-efficiency to a Decision Tree, Naive-Bayes, and k-Nearest Neighbors classifiers implementation in an Atom CPU and its hardware-friendly implementation in
12160-471: The inbound and outbound packets from the device only and will alert the user or administrator if suspicious activity is detected. It takes a snapshot of existing system files and matches it to the previous snapshot. If the critical system files were modified or deleted, an alert is sent to the administrator to investigate. An example of HIDS usage can be seen on mission critical machines, which are not expected to change their configurations. Signature-based IDS
12288-589: The latter waterway to its source in the Ural Mountains . At this point he proposed that mountain ranges could be included as boundaries between continents as alternatives to nearby waterways. Accordingly, he drew the new boundary north along Ural Mountains rather than the nearby and parallel running Ob and Irtysh rivers. This was endorsed by the Russian Empire and introduced the convention that would eventually become commonly accepted. However, this did not come without criticism. Voltaire , writing in 1760 about Peter
12416-567: The millennium. The Roman Republic ended in 27 BCE, when Augustus proclaimed the Roman Empire . The two centuries that followed are known as the pax romana , a period of unprecedented peace, prosperity and political stability in most of Europe. The empire continued to expand under emperors such as Antoninus Pius and Marcus Aurelius , who spent time on the Empire's northern border fighting Germanic , Pictish and Scottish tribes. Christianity
12544-475: The network in real time. It analyses the Ethernet packets and applies some rules, to decide if it is an attack or not. Off-line NIDS deals with stored data and passes it through some processes to decide if it is an attack or not. NIDS can be also combined with other technologies to increase detection and prediction rates. Artificial Neural Network (ANN) based IDS are capable of analyzing huge volumes of data due to
12672-706: The network is being partitioned in order to sell the parts off independently. Europe Europe is a continent located entirely in the Northern Hemisphere and mostly in the Eastern Hemisphere . It is bordered by the Arctic Ocean to the north, the Atlantic Ocean to the west, the Mediterranean Sea to the south, and Asia to the east. Europe shares the landmass of Eurasia with Asia, and of Afro-Eurasia with both Asia and Africa . Europe
12800-687: The northwest ( Asturias ) and largely Basque regions in the Pyrenees . This territory, under the Arabic name Al-Andalus , became part of the expanding Umayyad Caliphate . The unsuccessful second siege of Constantinople (717) weakened the Umayyad dynasty and reduced their prestige. The Umayyads were then defeated by the Frankish leader Charles Martel at the Battle of Poitiers in 732, which ended their northward advance. In
12928-455: The original wave as the attack mutates. Some of the known names for the attachments include: Later, as F-Secure confirmed, the malware began spreading the subjects such as "Love birds" and "Touched by Love". These emails contain links to websites hosting some of the following files, which are confirmed to contain the virus: According to Joe Stewart, director of malware research for SecureWorks , Storm remains amazingly resilient, in part because
13056-479: The originally Persian name Frangistan ("land of the Franks ") is used casually in referring to much of Europe, besides official names such as Avrupa or Evropa . Clickable map of Europe, showing one of the most commonly used continental boundaries Key: blue : states which straddle the border between Europe and Asia ; green : countries not geographically in Europe, but closely associated with
13184-489: The performance of IDSs. Efficient feature selection algorithm makes the classification process used in detection more reliable. New types of what could be called anomaly-based intrusion detection systems are being viewed by Gartner as User and Entity Behavior Analytics (UEBA) (an evolution of the user behavior analytics category) and network traffic analysis (NTA). In particular, NTA deals with malicious insiders as well as targeted external attacks that have compromised
13312-444: The poetry devoted to it. An alternative view is that of Robert Beekes , who has argued in favour of a pre-Indo-European origin for the name, explaining that a derivation from eurus would yield a different toponym than Europa. Beekes has located toponyms related to that of Europa in the territory of ancient Greece, and localities such as that of Europos in ancient Macedonia . There have been attempts to connect Eurṓpē to
13440-473: The realisation of the European Union (EU), which represents today the majority of Europe. The European Union is a supranational political entity that lies between a confederation and a federation and is based on a system of European treaties . The EU originated in Western Europe but has been expanding eastward since the dissolution of the Soviet Union in 1991. A majority of its members have adopted
13568-503: The remote regions of north-western Iberia and the middle Pyrenees the power of the Muslims in the south was scarcely felt. It was here that the foundations of the Christian kingdoms of Asturias , Leon , and Galicia were laid and from where the reconquest of the Iberian Peninsula would start. However, no coordinated attempt would be made to drive the Moors out. The Christian kingdoms were mainly focused on their own internal power struggles. As
13696-674: The rootkit, as it may warn that the Windows process "services.exe" is trying to access the Internet using ports 4000 or 7871. Windows 2000 , Windows XP and presumably Windows Vista can be infected by all the Storm Worm variants, but Windows Server 2003 cannot, as the malware's author specifically excluded that edition of Windows from the code. Additionally, the decryption layer for some variants requires Windows API functions that are only available in Windows XP Service Pack 2 and later, effectively preventing infection on older versions of Windows. Peter Gutmann sent an email noting that
13824-930: The security environment (e.g. reconfiguring a firewall) or changing the attack's content. Intrusion prevention systems ( IPS ), also known as intrusion detection and prevention systems ( IDPS ), are network security appliances that monitor network or system activities for malicious activity. The main functions of intrusion prevention systems are to identify malicious activity, log information about this activity, report it and attempt to block or stop it. . Intrusion prevention systems are considered extensions of intrusion detection systems because they both monitor network traffic and/or system activities for malicious activity. The main differences are, unlike intrusion detection systems, intrusion prevention systems are placed in-line and are able to actively prevent or block intrusions that are detected. IPS can take such actions as sending an alarm, dropping detected malicious packets, resetting
13952-514: The security within a network can cause many problems, it will either allow users to bring about security risks or allow an attacker who has already broken into the network to roam around freely. Intense intranet security makes it difficult for even those hackers within the network to maneuver around and escalate their privileges. There are a number of techniques which attackers are using, the following are considered 'simple' measures which can be taken to evade IDS: The earliest preliminary IDS concept
14080-459: The signatures are released by a vendor for all its products. On-time updating of the IDS with the signature is a key aspect. Anomaly-based intrusion detection systems were primarily introduced to detect unknown attacks, in part due to the rapid development of malware. The basic approach is to use machine learning to create a model of trustworthy activity, and then compare new behavior against this model. Since these models can be trained according to
14208-666: The size of the Storm botnet compared to grid computing projects such as the World Community Grid . An article in PCWorld dated October 21, 2007 says that a network security analyst presented findings at the Toorcon hacker conference in San Diego on October 20, 2007, saying that Storm is down to about 20,000 active hosts or about one-tenth of its former size. However, this is being disputed by security researcher Bruce Schneier , who notes that
14336-525: The state of the Golden Horde with headquarters in Crimea, which later adopted Islam as a religion, and ruled over modern-day southern and central Russia for more than three centuries. After the collapse of Mongol dominions, the first Romanian states (principalities) emerged in the 14th century: Moldavia and Walachia . Previously, these territories were under the successive control of Pechenegs and Cumans. From
14464-407: The waterways connecting the Black Sea to the Mediterranean Sea . Islands are generally grouped with the nearest continental landmass, hence Iceland is considered to be part of Europe, while the nearby island of Greenland is usually assigned to North America , although politically belonging to Denmark. Nevertheless, there are some exceptions based on sociopolitical and cultural differences. Cyprus
14592-551: The west and the north, transmitting newly acquired skills in producing copper artifacts. In Western Europe the Neolithic period was characterised not by large agricultural settlements but by field monuments, such as causewayed enclosures , burial mounds and megalithic tombs . The Corded Ware cultural horizon flourished at the transition from the Neolithic to the Chalcolithic . During this period giant megalithic monuments, such as
14720-523: The west continued to decline, Roman traditions and the Roman state remained strong in the predominantly Greek-speaking Eastern Roman Empire , also known as the Byzantine Empire . During most of its existence, the Byzantine Empire was the most powerful economic, cultural, and military force in Europe. Emperor Justinian I presided over Constantinople's first golden age: he established a legal code that forms
14848-506: The western shore of the Aegean Sea . As a name for a part of the known world, it is first used in the 6th century BCE by Anaximander and Hecataeus . Anaximander placed the boundary between Asia and Europe along the Phasis River (the modern Rioni River on the territory of Georgia ) in the Caucasus, a convention still followed by Herodotus in the 5th century BCE. Herodotus mentioned that
14976-712: The widespread use of pottery—began around 7000 BCE in Greece and the Balkans , probably influenced by earlier farming practices in Anatolia and the Near East . It spread from the Balkans along the valleys of the Danube and the Rhine ( Linear Pottery culture ), and along the Mediterranean coast ( Cardial culture ). Between 4500 and 3000 BCE, these central European neolithic cultures developed further to
15104-609: The world had been divided by unknown persons into three parts—Europe, Asia, and Libya (Africa)—with the Nile and the Phasis forming their boundaries—though he also states that some considered the River Don , rather than the Phasis, as the boundary between Europe and Asia. Europe's eastern frontier was defined in the 1st century by geographer Strabo at the River Don. The Book of Jubilees described
15232-410: The world. The place name Evros was first used by the ancient Greeks to refer to their northernmost province, which bears the same name today. The principal river there – Evros (today's Maritsa ) – flows through the fertile valleys of Thrace , which itself was also called Europe, before the term meant the continent. In classical Greek mythology , Europa ( Ancient Greek : Εὐρώπη , Eurṓpē )
15360-673: The world. Between the 16th and 20th centuries, European powers colonised at various times the Americas , almost all of Africa and Oceania , and the majority of Asia. The Age of Enlightenment , the French Revolution , and the Napoleonic Wars shaped the continent culturally, politically, and economically from the end of the 17th century until the first half of the 19th century. The Industrial Revolution , which began in Great Britain at
15488-422: Was legalised by Constantine I in 313 CE after three centuries of imperial persecution . Constantine also permanently moved the capital of the empire from Rome to the city of Byzantium (modern-day Istanbul ) which was renamed Constantinople in his honour in 330 CE. Christianity became the sole official religion of the empire in 380 CE, and in 391–392 CE the emperor Theodosius outlawed pagan religions. This
15616-454: Was a Phoenician princess. One view is that her name derives from the Ancient Greek elements εὐρύς ( eurús ) 'wide, broad', and ὤψ ( ōps , gen. ὠπός , ōpós ) 'eye, face, countenance', hence their composite Eurṓpē would mean 'wide-gazing' or 'broad of aspect'. Broad has been an epithet of Earth herself in the reconstructed Proto-Indo-European religion and
15744-625: Was also an expert system. The Network Anomaly Detection and Intrusion Reporter (NADIR), also in 1991, was a prototype IDS developed at the Los Alamos National Laboratory's Integrated Computing Network (ICN), and was heavily influenced by the work of Denning and Lunt. NADIR used a statistics-based anomaly detector and an expert system. The Lawrence Berkeley National Laboratory announced Bro in 1998, which used its own rule language for packet analysis from libpcap data. Network Flight Recorder (NFR) in 1999 also used libpcap. APE
15872-552: Was delineated in 1980 by James Anderson at the National Security Agency and consisted of a set of tools intended to help administrators review audit trails. User access logs, file access logs, and system event logs are examples of audit trails. Fred Cohen noted in 1987 that it is impossible to detect an intrusion in every case, and that the resources needed to detect intrusions grow with the amount of usage. Dorothy E. Denning , assisted by Peter G. Neumann , published
16000-566: Was developed as a packet sniffer, also using libpcap, in November, 1998, and was renamed Snort one month later. Snort has since become the world's largest used IDS/IPS system with over 300,000 active users. It can monitor both local systems, and remote capture points using the TZSP protocol. The Audit Data Analysis and Mining (ADAM) IDS in 2001 used tcpdump to build profiles of rules for classifications. In 2003, Yongguang Zhang and Wenke Lee argue for
16128-431: Was developed in 1988 based on the work of Denning and Neumann. Haystack was also developed in that year using statistics to reduce audit trails. In 1986 the National Security Agency started an IDS research transfer program under Rebecca Bace . Bace later published the seminal text on the subject, Intrusion Detection , in 2000. Wisdom & Sense (W&S) was a statistics-based anomaly detector developed in 1989 at
16256-597: Was eventually absorbed into Russia several centuries later. The period between the year 1000 and 1250 is known as the High Middle Ages , followed by the Late Middle Ages until c. 1500. During the High Middle Ages the population of Europe experienced significant growth, culminating in the Renaissance of the 12th century . Economic growth, together with the lack of safety on the mainland trading routes, made possible
16384-548: Was the first crisis that would strike Europe in the late Middle Ages. The period between 1348 and 1420 witnessed the heaviest loss. The population of France was reduced by half. Medieval Britain was afflicted by 95 famines, and France suffered the effects of 75 or more in the same period. Europe was devastated in the mid-14th century by the Black Death , one of the most deadly pandemics in human history which killed an estimated 25 million people in Europe alone—a third of
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