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.