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Netsky.q Most Dangerous Of Three New Worms: Page 3 of 3

One bright spot in the most recent worm waves, said Gullotto, is that although new variations "seem to get a quick jump out, they just as quickly die out." He suspects that hackers are seeding their creations using spam-style techniques, but the worms quickly fade into obscurity because of increases vigilance on the part of users and the fast reaction time of anti-virus firms.

But that's not to say that all's well in security land.

"These variations may be more of the same, but they're not going to slow down any time soon," he said. "What worries me more is that inevitably a new family or families of worms will appear that are completely different [from Netsky, Bagle, Sober, and MyDoom]. That's what will take people by surprise."