by David Hakala

Computer security firm Symantec Corp. recently reported that it identified two-and-a-half times more malicious software programs in 2008 than in the previous year: more than 1.6 million different examples of malware that is trying to invade your computer. The most common functions performed by malware are:

1. Remote access software
2. Programs that export user data
3. Keystroke loggers
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