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Computer Viruses

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Jenita Bron

on 5 November 2014

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Transcript of Computer Viruses

What is a Virus?
A virus is program that inserts copies of itself into other programs and preforms some type of harmful activities on the hosts.
What does a Virus do?
A computer virus might corrupt and delete data on your computer and it can access private information.
How Viruses are Spread
How to Prevent Viruses
Don't open unknown attachments in emails or do a virus scan after opening them.
Download files only from trusted sites.
Remember to do a virus scan for them after peripheral devices are connected to your computer.
How to remove a virus
You can use the internet by downloading a Microsoft safety scanner.
Or you can remove them manually.

40% of US households are affected by computer viruses.
computer viruses currently caused billions of dollars worth of economic damage each year.
6000 new viruses are created each month.
US is at the highest risk of virus attack, followed by Russia Federation.
An anti virus software can be installed that can detected an eliminate known viruses.
Computer Viruses
The types of viruses
Storm Virus
Sasser Virus
Nimda Virus
Melissa Virus
Code Red I and ll Computer Viruses
Morris Computer Virus
Brain Computer Virus
Elk Cloner
Viruses are often spread by attachments and emails or instant messaging. That is why it essential that you never open email attachments unless you know who it is from and are expecting it. Viruses can be disguised as attachments of images, greeting cards or audio and video files.
Computer viruses are also spread through downloads on the internet. They can be hidden and software or other files or programs that you might download.


Random Facts
By: Jenita, Heidi, and Audrey
More Random Facts
There are three categories of malicious software threats: viruses, worms, and Trojan horses.
By 1990, there were roughly 50 known computer viruses. During the late 1990s, the number of viruses skyrocketed more than 48,000!
Top 5 Computer Viruses
Mydoom 2004
Sobig. F 2003
Code Red 2001
Slammer 2003

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