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What are Computer Viruses ?
 
Computer Viruses are called viruses because they share some of the traits of biological viruses. A computer virus passes from computer to computer like a biological virus passes from person to person.

There are similarities at a deeper level, as well. A biological virus is not a living thing. A virus is a fragment of DNA inside a protective jacket. Unlike a cell, a virus has no way to do anything or to reproduce by itself -- it is not alive. Instead, a biological virus must inject its DNA into a cell. The viral DNA then uses the cell's existing machinery to reproduce itself. In some cases, the cell fills with new viral particles until it bursts, releasing the virus. In other cases, the new virus particles bud off the cell one at a time, and the cell remains alive.

A computer virus shares some of these traits. A computer virus must piggyback on top of some other program or document in order to get executed. Once it is running, it is then able to infect other programs or documents. Obviously, the analogy between computer and biological viruses stretches things a bit, but there are enough similarities that the name sticks.
   
 

Symantec is the world leader in Internet security technology, provides a broad range of content and network security software. Our virus protection and content filtering technologies provide protection at the gateway, server, and client tiers against known and unknown threats. Users of our virus protection and filtering products are able to take action to protect their enterprise from risks associated with using Internet resources. This includes scanning or monitoring data that enters, leaves, or travels inside the organization, as well as detecting and eliminating malicious code that may be introduced into a company’s network. Products and services providing protection from virus attacks represent the most well-known and largest market component of the enterprise security area. Product offerings include Symantec AntiVirus™ and Symantec AntiVirus™ Scan Engine.
 
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Trend Micro Incorporated is a global leader in network antivirus and Internet content security software and services. Founded in 1988 by Steve Chang, the company led the migration of virus protection from the desktop to the network server and the Internet gateway, gaining a reputation for vision and technological innovation along the way. Trend Micro focuses on outbreak prevention and providing customers with a comprehensive approach to managing the outbreak lifecycle and the impact of network worms and virus threats to productivity and information through initiatives such as Trend Micro™ Enterprise Protection Strategy.
 
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Network Associates, Inc creates best-of-breed computer security solutions McAfee System Protection Solutions secure all layers of desktop and server systems and applications, protecting against both known and unknown attacks and vulnerabilities. System protection solutions in the portfolio include: McAfee Anti-Virus for desktop vulnerability assessment, McAfee Entercept® for preventing system intrusions, and McAfee SpamKiller® to block unsolicited e-mail. In August 2004, McAfee delivered VirusScan® 8.0i, the industry’s first anti-virus solution that offers integrated intrusion prevention. VirusScan 8.0i integrates anti-virus, host intrusion prevention, and personal firewall capabilities to provide comprehensive end-point security. The company also introduced the industry’s first enterprise-class anti-spyware solutions to eliminate malicious code programs such as spyware, dialers, key loggers, password crackers, and remote-control programs.
 
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Kaspersky, produce and distribute information security solutions that protect our customers from IT threats and allow enterprises to manage risk. Kaspersky provide products that protect information from viruses, hackers and spam for home users and enterprises and offer consulting services and technical support. Founded in 1997, Kaspersky Lab is an international information security software vendor. Kaspersky Lab is headquartered in Moscow, Russia and has regional offices in the UK, France, Germany, the Netherlands, Poland, Japan, China, Korea, Romania and the United States. Further expanding the company's reach is its large partner network comprising over 500 companies globally.

Our products are certified by West Coast Labs and regularly receive awards from leading IT publications and testing labs. In 2003 we received the Microsoft Gold Certified Partner status for Security Solutions. Kaspersky Lab is also a proud partner of SUSE and Red Hat. Experts from Kaspersky Lab are active in IT associations such as CARO (Computer Antivirus Research Organization) and ICSA (International Computer Security Association)
 
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