Friday, November 25, 2005

Multifaceted Propagation

Blended threats usually are considered worms because most have the capability to propagate over computer networks, which is the defining behavior of worms. Blended threats use email, web pages, networks, instant messaging, and other online components to spread their infection, and some threats try to use more than one method to increase their wicked odds.
These propagation methods often share a common trait: speed. Whereas many viruses spread slowly (or hardly at all) due to their inability to travel online, blended threats use the Internet for lightning-quick dissemination across several channels. If computer systems can’t defend against the attack, they’ll serve as yet another outlet to expand the infection.


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