Madison, Wisconsin - Computer scientist Paul Barford has watched malicious traffic on the Internet evolve from childish pranks to a billion-dollar “shadow industry” in the last decade, and his profession has largely been one step behind the bad guys. Viruses, phishing scams, worms and spyware are only the beginning, he says.
“Some of the most worrisome threats today are things called ‘botnets’ — computers that are taken over by an outside party and are beyond the user’s control,” says Barford of UW–Madison. “They can do all sorts of nasty things: steal passwords, credit card numbers and personal information, and use the infected machine to forward spam and attack other machines.
“Botnets represent a convergence of all of the other threats that have existed for some time,” he adds.
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