Basic Computer Notions The Internet

Next Introduction Introduction (cont'd) Introduction (cont'd) Internet addresses Top-level domains Top-level domains (cont'd) Generic top-level domains Generic top-level domains (cont'd) Generic top-level domains (cont'd) Generic top-level domains (cont'd) Networks Usage World Wide Web World Wide Web (cont'd) World Wide Web (cont'd) World Wide Web (cont'd) World Wide Web (cont'd) What is it? Tips Tips (cont'd) Tips (cont'd) Software Secure connections What is it? Tips Tips (cont'd) Tips (cont'd) Tips (cont'd) Tips (cont'd) Tips (cont'd) FTP software FTP software (cont'd) FTP software (cont'd) FTP software (cont'd) FTP software (cont'd) Passwords Passwords (cont'd) Passwords (cont'd) Passwords (cont'd) Passwords (cont'd) 41 of 43 How to avoid them Virus-scanning software

Viruses

What are they?

Bad. Sometimes harmless, sometimes bothersome, sometimes very serious. Sometimes attributed to testosterone.

Viruses, worms, trojan horses, spyware, back doors, buffer overflows, ...

See, e.g., 1997 November article in Scientific American.

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Last modified: Thu, 2007 Aug 16 17:50:54

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