Investigators say the machine contained the worm's source code. Earlier Friday, investigators said, Jaschan unleashed the new "Sasser e"--a failed attempt to limit the damage caused by the four ...

Sasser doesn't arrive as an e-mail attachment ... said that after studying the worm author's motives, he expects a second wave of variants to strike, and possibly begin delivering malicious ...

BERLIN, Germany (CNN) -- A German court has convicted the teenager who created the Sasser worm that snarled tens of thousands of computers last year and sentenced him to 21 months' probation.

"So it's still big. Very big." Microsoft has previously paid out similar rewards to informants who helped identify the creator of Sasser, another notorious worm let loose in 2004. The perpetrator ...