Security researchers say a worm that has infected millions of computers worldwide has been reprogrammed to strengthen its defenses while also trying to attack more machines. Conficker, which takes ...

This story was written by CNET's Elinor Mills. The Conficker worm that has infected millions of Windows-based computers will likely be used to send spam and steal data much like one of the nastiest ...

The Conficker worm. With the global botnet programmed to accept new instructions beginning today, The New York Times called it an "unthinkable disaster" in the making. CBS's 60 Minutes said the worm ...

SAN FRANCISCO (AP) - The Conficker worm, a nasty computer infection that has poisoned millions of PCs, will start ramping up its efforts Wednesday to use those machines for cybercrimes. It's unclear ...

The fast-moving Conficker computer worm, a scourge of the Internet that has infected at least 3 million PCs, is set to spring to life in a new way on Wednesday -- April Fools' Day. That's when many of ...

Graphic: Diego Aguirre Where did the Conficker worm come from? Researchers at the University of Michigan are trying to find out, using a vast network of Internet sensors to track down the so-called ...

There’s no question that Conficker, aka Downadup, is a nasty piece of work. As a computer worm, it’s insidiously crafted to take control of an infected Windows PC, disable anti-malware protection and ...

NEW YORK Security experts say some Conficker-infected computers - those poisoned with the latest version of the worm - started "phoning home" for instructions more aggressively Wednesday, trying ...

SAN FRANCISCO -- The fast-moving Conficker computer worm, a scourge of the Internet that has infected at least 3 million PCs, is set to spring to life in a new way on Wednesday -- April Fools' Day.

The security industry is currently riding high on a string of successful malware-friendly ISP takedowns, but the rising specter of a new major botnet has driven spam levels back to previous levels ...

The Conficker worm doesn’t directly have anything to do with NAC, but as is the case when any pervasive attack becomes high profile, vendors leap in to point out how their products could have ...

April 1 may not have turned into the D-day that some feared Conficker might create, but the newest version of the worm (Conficker.C) is still out in the wild with mischief on its mind. The malware's ...