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How AntiVirus Works:
Computer Anti-Virus Software is a program that specializes in identifying harmful Computer Viruses. Once these viruses have been identified, your antivirus program will then either neutralize (often by putting in "Quarantine") or delete the virus so that it cannot harm your computer.
There are many types of computer viruses out there these days so anti-virus programs actually catch more than just a virus. Most anti-virus software can now detect Computer Viruses, Worms, Spyware, Trojans, Malware, and Phishing attacks. The more complex your anti-virus program is, the better protected your computer system will be.
Suspicious Behavior Approach:
There are several different methods that antivirus programs use to detect computer viruses. With the Suspicious Behavior approach, your anti-virus program will monitor the behavior of programs on your computer. The suspicious behavior approach is one of the better virus detection methods because it will not only detect suspicious behavior from programs currently running on your computer, but it will also detect the behaviours of new viruses that show up on your system.
Dictionary Approach:
With the Dictionary Approach, your anti-virus program will scan your computers files when they are created, opened, closed or emailed on your computer. The benefit of this, is that it can pick up a virus as soon as it is received. The downside to the dictionary approach, is that the anti-virus program can only detect viruses that are known in a “dictionary” or comprehensive database of known computer viruses. This means your anti-virus program will only pick up viruses that are “known” and can miss newer, non-registered viruses that can still infect your computer.
These are the most common forms of anti-virus approaches that are used in anti-virus software on the market today. Many antivirus programs on the market today, such as Norton Antivirus, Norton 360, Norton Internet Security, NOD32 Anti-Virus, and Kaspersky Anti-Virus, use a combination of both the Suspicious Behavior and Dictionary Approach as well as other methods to detect computer viruses.
Related Articles:
AntiVirus Software Reviews: Norton AntiVirus 2010, NOD32 Antivirus Version 4.2, Kaspersky AntiVirus 2010, Avast AntiVirus Pro 5.0, BitDefender AntiVirus 2010, Avira AntiVir Premium Version 10, McAfee VirusScan Plus 2010, Trend Micro AntiVirus 2010, AVG AntiVirus Version 9.0, F-Secure AntiVirus 2010, Other AntiVirus Software
Advanced Protection: Norton 360 (Version 4.0), Norton Internet Security 2010, Norton SystemWorks 2010, ESET Smart Security 4, Kaspersky Internet Security 2010
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