Tag Archives: virus

How Viruses fool antivirus software

August 26, 2008 – 5:54 pm | By Gatt | Posted in Software | Also tagged , | Comments (1)

Computer Viruses are programs which can copy it and infect the computer and other programs. Virus authors and antivirus software try to defeat each other. Here are some of the ways viruses use to defeat antivirus software Read More »

Spyware – Hidden spy on computer

August 8, 2008 – 12:25 pm | By Gatt | Posted in Computer | Also tagged , , , | Comments (2)

Spyware is software that gets installed on computer without users consent. Spyware can cause harm by taking partial control of computer and by compromising privacy. Spyware can collect personal information such as browsing habits (primarily for marketing purposes) and sensitive information such as credit card number. Spyware can also take control of computer and install additional software, redirect to malicious website and install virus. Read More »

Computer worm vs Computer Virus

July 10, 2008 – 6:50 pm | By Gatt | Posted in Software | Also tagged , , | Comments (0)

Computer worm is a program that replicates itself on the network and can be a real system hog. Worm can penetrate the network by using security vulnerability in the operating system or by opening a malicious attachment or link in an email message or chat session. Read More »

Antivirus protection methods – Pros and Cons

July 8, 2008 – 8:06 pm | By Gatt | Posted in Software | Also tagged , | Comments (0)

Anti-virus software is a computer program that works to keep computer free from virus and other malicious programs. There are multiple approaches, antivirus software use to identify viruses.

Dictionary method –In this method Anti virus program continue to match programs with the pre-identified virus definitions and then take appropriate option (quarantine or delete the infected file). New viruses are included in the dictionary as identified. Success of this method is based on how quickly new threats are identified and included in the dictionary. Read More »