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 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.

Three types of common viruses

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

How to prevent from getting a virus

How to prevent from getting a virus • 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

• 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

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