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2. Computer virus - Wikipedia

   en.wikipedia.org/wiki/Computer_virus

   Hex dump of the Brain virus, generally regarded as the first computer virus for the IBM Personal Computer (IBM PC) and compatibles. A computer virus[1] is a type of malware that, when executed, replicates itself by modifying other computer programs and inserting its own code into those programs. [2][3] If this replication succeeds, the affected ...

3. Timeline of computer viruses and worms - Wikipedia

   en.wikipedia.org/wiki/Timeline_of_computer...

   March 26: The Melissa worm was released, targeting Microsoft Word and Outlook -based systems, and creating considerable network traffic. June 6: The ExploreZip worm, which destroys Microsoft Office documents, was first detected. September: the CTX virus is isolated.

4. Computer worm - Wikipedia

   en.wikipedia.org/wiki/Computer_worm

   Spread of Conficker worm. A computer worm is a standalone malware computer program that replicates itself in order to spread to other computers. [1] It often uses a computer network to spread itself, relying on security failures on the target computer to access it. It will use this machine as a host to scan and infect other computers.

5. Malware - Wikipedia

   en.wikipedia.org/wiki/Malware

   Malware (a portmanteau of malicious software) [1] is any software intentionally designed to cause disruption to a computer, server, client, or computer network, leak private information, gain unauthorized access to information or systems, deprive access to information, or which unknowingly interferes with the user's computer security and privacy.

6. Stuxnet - Wikipedia

   en.wikipedia.org/wiki/Stuxnet

   Stuxnet is a malicious computer worm first uncovered in 2010 and thought to have been in development since at least 2005. Stuxnet targets supervisory control and data acquisition (SCADA) systems and is believed to be responsible for causing substantial damage to the nuclear program of Iran. [2]

7. Trojan horse (computing) - Wikipedia

   en.wikipedia.org/wiki/Trojan_horse_(computing)

   Computer hacking. In computing, a Trojan horse (or simply Trojan) is any malware that misleads users of its true intent by disguising itself as a standard program. The term is derived from the ancient Greek story of the deceptive Trojan Horse that led to the fall of the city of Troy. [1]