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1. Computer Viruses

2.  A computer virus is malware program that spread by infected files
or attachment.
 when this program is executed, it replicates by inserting copies of
itself into other computer programs, data files, or the hard drive.
 The affected areas are said to be "infected".
 Viruses perform some type of harmful activity on infected hosts.

3. Malware Classification

4. Symptoms Of Computer Viruses
 Slow Staged Computers
 Turbulent PC Conducts
 Loss Of Data Unexplored
 Periodic Crashes In PC'S

5. Boot & Program Viruses

6. Ways Virus Spread
 E-mail attachments
 Shared files
 Disks
 Infected Documents
 Infected word processor

7. Virus Attack Statistics

8. Virus Protection
 Use antivirus protection
 Use firewall
 Get antispyware software
 Keep your antivirus protection software up-to-date
 Update your operating system regularly
 Avoid questionable Web sites

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