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DEFINING A VIRUS By saad. Defining a virus A virus is a piece of code or program. A virus is loaded onto the computer and runs without your command All.

Published byBerenice Carson Modified over 9 years ago

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Presentation on theme: "DEFINING A VIRUS By saad. Defining a virus A virus is a piece of code or program. A virus is loaded onto the computer and runs without your command All."— Presentation transcript:

1 DEFINING A VIRUS By saad

2 Defining a virus A virus is a piece of code or program. A virus is loaded onto the computer and runs without your command All viruses are man made All viruses can replicate themselves and is relatively easy to produce A simple virus can be dangerous because it can use all of your available memory An even more dangerous are viruses that are capable are transmitting across network and bypass security.

3 Three types of common viruses

4 Trojan horse, spyware and worms Trojan house is a program written to deliver a malicious program that can cause destruction to you computer. A Trojan horse is delivered or hidden within in a program that might seem harmless Spyware is a program that can monitor your action on a computer a A common spyware program is a key logger that can monitor every mouse click makes Worms is a program that causes slowness in the network Worms are commonly spread through email attachments

5 How to prevent from getting a virus

6 Installing a antivirus can help defend your computer from getting viruses cause they scan for viruses that can get into your email or files. Many viruses are attached to email and spread as soon as you open them. Keep your computer and security updated to help your protect your computer

7 Websites might use your private information for fraud or theft. using your browsers privacy setting help prevent that Using a firewall can alert you to any suspicious thing or activity going on it can block them and also stop hackers A pop ad blocker are small browsers that can sometimes contain an unsafe code. Many of the downloaded files and the peer to peer program can be infected with viruses

8 Interesting facts My doom was the fastest spreading virus ever created it did the most economic damage about $38.5 billion A worm called storm appeared on January 2007 and about 50 million computers were infected US the highest risk of virus attack. In 1990 Symantec launched there first antivirus, Norton antivirus Commwarrior A was the first cell phone virus The Lehigh virus the first file virus it infects command.com files

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