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2. Computer virus - Wikipedia

   en.wikipedia.org/wiki/Computer_virus

   This is an accepted version of this page This is the latest accepted revision, reviewed on 2 February 2025. Computer program that modifies other programs to replicate itself and spread 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 is a type of malware that, when executed, replicates itself by ...

3. Internet security - Wikipedia

   en.wikipedia.org/wiki/Internet_security

   Computer viruses are programs that can replicate their structures or effects by infecting other files or structures on a computer. The typical purpose of a virus is to take over a computer to steal data. Computer worms are programs that can replicate themselves throughout a computer network. Ransomware is a type of malware that restricts access ...

4. Computer security - Wikipedia

   en.wikipedia.org/wiki/Computer_security

   An example of a physical security measure: a metal lock on the back of a personal computer to prevent hardware tampering. Computer security (also cybersecurity, digital security, or information technology (IT) security) is the protection of computer software, systems and networks from threats that can lead to unauthorized information disclosure, theft or damage to hardware, software, or data ...

5. Malware - Wikipedia

   en.wikipedia.org/wiki/Malware

   Early computer viruses were written for the Apple II and Mac, but they became more widespread with the dominance of the IBM PC and MS-DOS. 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]

6. Follow These Steps if You’ve Been Hacked

   www.aol.com/products/blog/follow-these-steps-if...

   Scan all your devices – Download a reputable anti-virus program that will scan your devices for malware or computer viruses. They should also be capable of detecting phishing programs or those ...

7. Outline of computer security - Wikipedia

   en.wikipedia.org/wiki/Outline_of_computer_security

   The following outline is provided as an overview of and topical guide to computer security: . Computer security (also cybersecurity, digital security, or information technology (IT) security) is the protection of computer software, systems and networks from threats that can lead to unauthorized information disclosure, theft or damage to hardware, software, or data, as well as from the ...