Computer Viruses By Patsy Speer What is a Virus? Malicious programs that cause damage to your computer, files and information They slow down the internet.

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Presentation transcript:

Computer Viruses By Patsy Speer

What is a Virus? Malicious programs that cause damage to your computer, files and information They slow down the internet Send themselves to your friends, co-workers and the rest of the web

Detention of Viruses Use all the free space in your hard disk Copy of the infected file may be sent to all your addresses in your Virus may delete your files and programs Virus may reduce security

Examples of Viruses Worm Trojan Horse

Worm Virus Designed to copy itself from machine to machine Worms move around and infect other machines

Trojan Virus Computer program that appears to be useful but actually does damage

Viruses Moves around in and mails itself to dozens of people

Prevention of Viruses Run secure operating system like UNIX Virus Protection Software Avoid Programs from unknown sources Install Macro Virus Protection Disable floppy disk booting Internet Firewall

Types of Anti-Viruses Virus Hunter Norton Antivirus Spy ware Doctor McAfee

Data

Detection of Viruses Top 10 viruses Detected by Panda Active Scan – May, 2002 home