Thursday, February 5, 2009

Some info bout virusessss...

What Is a Virus?
  • spread fr one computer 2 one computer,leaving infections as it travels
  • a computer virus can range in severity
  • may damage a hardware, software or files
  • almost all viruses may exist in d computer but actually cannot infect d coputer unless we run or open d malicious program
  • TAKE NOTE: virusessss cannot be spread without a human action
  • d viruses mostly spread by sharing infecting files, sending e-mails wif virus as attachmants in d e-mail

What is a Worm?

  • spread fr computer 2 computer
  • TAKE NOTE: unlike virus, it has a capability 2 travel without any human action.
  • a worm takes advntages of file or information transport features on d system 2 travel unaided.
  • d biggest danger of a worm is its capability 2 replicate itselt on d system, so rather than d computer sending out a single worm, it could send out hundreds or thousands of copies of itself, creating a huge devastating effect.
What Is a Trojan horse?
  • When a Trojan is activated on d computer, the results can vary.
  • Some Trojans are designed to changing d desktop, adding silly active desktop icons.
  • Can cause serious damage by deleting files n destroying information on d system.
  • Unlike viruses and worms, Trojans do not reproduce by infecting other files nor do they self-replicate.

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