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Computer Viruses: Protecting Your Computer from Unwelcome Intruders.
When you’re online, you expose your vulnerability to malicious virus that have been growing in virulence and ferocity over the last few years.
Anti-virus software is crucial to preventing virus attacks, but this strategy only works if users update their software.
More than 60% of respondents indicated their plans to terminate business relationships with a company that lost the data they entrusted to them.
In 2004, rootkits were a relatively obscure form of Trojans meant to infect Unix computers.
They may bring up a message like "Merry Xmas" or melt your display.
Most of them though, either start destroying your system or your files immediately or on a date specified by their creators—like the much-publicized Michelangelo virus, which erases important pieces of your system on March 6.
It usually loads itself into your computer system when you run a program to which it has attached itself.