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2. Computer virus - Wikipedia

   en.wikipedia.org/wiki/Computer_virus

   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 areas are then said to be "infected" with a computer virus, a metaphor derived from biological viruses. [4]

3. Timeline of computer viruses and worms - Wikipedia

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

   Appearance of Lehigh virus (discovered at its namesake university), [20] boot sector viruses such as Yale from the US, Stoned from New Zealand, Ping Pong from Italy, and appearance of the first self-encrypting file virus, Cascade. Lehigh was stopped on campus before it spread to the "wild" (to computers beyond the university), and as a result ...

4. Malware - Wikipedia

   en.wikipedia.org/wiki/Malware

   The first IBM PC virus in the wild was a boot sector virus dubbed (c)Brain, created in 1986 by the Farooq Alvi brothers in Pakistan. [14] Malware distributors would trick the user into booting or running from an infected device or medium. For example, a virus could make an infected computer add autorunnable code to any USB stick plugged into it.

5. The Many Faces of Malware - AOL

   www.aol.com/products/blog/the-many-faces-of-malware

   Virus & worms: Attacks through the internet, emails or contaminated files, then automatically replicates itself. Viruses require human action to spread to other computers, whereas worms spread by ...

6. Trojan horse (computing) - Wikipedia

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

   The computer term "Trojan horse" is derived from the legendary Trojan Horse of the ancient city of Troy. For this reason "Trojan" is often capitalized. For this reason "Trojan" is often capitalized. However, while style guides and dictionaries differ, many suggest a lower case "trojan" for normal use.

7. Computer worm - Wikipedia

   en.wikipedia.org/wiki/Computer_worm

   Computer viruses generally require a host program. [11] The virus writes its own code into the host program. When the program runs, the written virus program is executed first, causing infection and damage. A worm does not need a host program, as it is an independent program or code chunk.