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Professional Computer Services Viruses & Malware Infections to your computer are sadly things that are going to continue to happen so the best form of defense is to know the enemy. There are five types Viruses : this is a program that infect its host and then replicates itself however in order for it to run the user needs to unwittingly start it. Example if a virus hides itself in a email link or attachment the pc wouldn’t be infected until the user clicks on the link or opens the attachment. Worms: if your computer is getting slower then it’s a good chance you have a worm these don't need any

KNOW THE ENEMY

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Page 1: KNOW THE ENEMY

Professional Computer Services

Viruses & MalwareInfections to your computer are sadly things that are going to continue to

happen so the best form of defense is to know the enemy.

There are five types Viruses : this is a program that infect its host and then

replicates itself however in order for it to run the user needs to unwittingly

start it.

Example if a virus hides itself in a email link or attachment the pc wouldn’t

be infected until the user clicks on the link or opens the attachment.

Worms: if your computer is getting slower then it’s a good chance you

have a worm these don't need any interaction to run. They are designed to

take advantage of security flaws in the operating system.

Trojans: this is a program designed to look like something else the only

way to avoid these is to be careful what you are downloading as it can

bring other infections hidden within it.

Rootkits: this is a nasty piece of code often installed via a Trojan it allows

other users to access to the inner workings of your pc.

Page 2: KNOW THE ENEMY

Spyware: this is potentially less damaging than the others but it is a

serious threat to your privacy. It gathers info about your computer use

which it then repots back over the internet.

Free help : ad-aware 2009 http://download.cnet.com/Ad-Aware-Free-Anti-Malware/3000-8022_4-10045910.html.

zone alarm firewall http://www.zonealarm.com/security/en-us/zonealarm-pc-security-free-firewall.htm.

malware bytes http://www.malwarebytes.org/mbam.php