LYCOS RETRIEVER 
Worms (Malicious Software): Networks
built 216 days ago
Worms (Malicious Software) also shows up in the Retriever categories:
Worms (Animal) , and more.
Worms (Animal) , and more.
Worms normally move around and infect other machines through computer networks. Using a network, a worm can expand from a single copy incredibly quickly. The Code Red worm replicated itself more than 250,000 times in approximately nine hours on July 19, 2001 [Source: Rhodes].
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The highlight of worm outbreaks in 2004 was a new phenomenon called 'War of the Worms' between NetSky, Bagle and MyDoom worm variants. Their aftermaths caused the record-high of 12 outbreaks in first quarter alone. This war created complex interactions among worms. Tags: Vaccine, Wired Inc., Network, Worm, Wireless Network, Wireless, Cyberthreats, Viruses And Worms, Security White papers 2005-08-03
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Beginning with the very first research into worms at Xerox PARC there have been attempts to create useful worms. The Nachi family of worms, for example, tried to download and install patches from Microsoft's website to fix vulnerabilities in the host system — by exploiting those same vulnerabilities. In practice, although this may have made these systems more secure, it generated considerable network traffic, rebooted the machine in the course of patching it, and did its work without the consent of the computer's owner or user.
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From Nimda to Sasser to MyDoom, worms have been a constant threat to networks over the past year. With new variants and new worms being created daily, protecting your network can be a daunting undertaking. Tags: Network, Checkpoint Systems Inc., Attack, Security, Viruses And Worms, Networking Webcasts
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Each year more and more worms are released, and each year the cost to business and government agencies goes up. FireBreak can help. FireBreak provides the first effective Intrusion Suppression System which actually protects your network from worms. Even better, FireBreak is far easier to deploy and manage than a host based firewall system, or an IPS system.
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Most worms (as well as most malware), need human-interaction in order to propagate. For example a mass-mailing worm needs a human to open the infected email attachment, in order to spread to that particular computer. However some worms, such as the SQL Slammer worm, and Sasser do not need any human-interaction, instead these worms exploit all vulnerable systems it could find. In general, a worm does harm to the network by consuming large amounts of bandwidth by sending itself rapidly through the network, to infect other computers.
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