Name : ALya Mohammed ID: H

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Presentation transcript:

Name : ALya Mohammed ID: H00224594 Computer virus Name : ALya Mohammed ID: H00224594

Outline : What is a computer virus Virus through the internet Symptoms of virus Attack Examples of risky file types Types of viruses How to protect from viruses Top ten Antiviral programs Symantec Norton Antivirus:

What is a computer virus? Computer virus : is a computer program that can copy itself and infect a computer without permission or knowledge of the user.

Virus through the internet Today almost 87% of all viruses are spread through the internet. Transmission time to a new host is relatively low, on the order of hours to days

Symptoms of virus Attack Computer no longer boots up. Screen sometimes flicker. Computer runs slower then usual. System crashes for no reason. Files/directories sometimes disappear.

Examples of risky file types The following file types should be treated with suspicion and be confirmed with the sender before being opened: .exe .pif .bat .vbs .com

Types of viruses: Boot viruses: is a computer virus that infects a storage device's master boot record (MBR) Program viruses: is a computer virus that can only spread if you run the specific program that it has infected Multipartite viruses: a computer virus that infects and spreads in multiple ways: Stealth viruses: is a computer virus that uses various mechanisms to avoid detection by antivirus software.

How to protect from viruses Best way to protect yourself is to prepare your computer against viruses in advance to protect you computer is : to use updated anti-virus program

Top ten Antiviral programs Data Fellows F-Prot EliaShim ViruSafe ESaSS ThunderBYTE IBM Antivirus McAfee Scan Microsoft Anti-Virus (Symantec Norton Antivirus) S&S Dr S&S Dr Solomon's AVTK. Bit Defender 2008

Symantec Norton Antivirus: Keeps you safe when you surf, shop and bank online Protects you from social media scams Stops both today's and tomorrow's online threats Blocks infected and dangerous downloads http://us.norton.com/antivirus/

References : http://en.wikipedia.org/wiki/Computer_virus http://www.webopedia.com/TERM/V/virus.html http://www.symantec.com/index.jsp http://www.techopedia.com/definition/26655/boot-sector-virus https://answers.yahoo.com/question/index?qid=20091103211647AA3W QsV http://en.wikipedia.org/wiki/Multipartite_virus http://searchsecurity.techtarget.com/definition/stealth-virus