The Rustock botnet–one of the most prolific sources of spam–went silent this week. Microsoft worked with security vendors and the civil court system to pull the plug on Rustock. Some security experts ...

In March, Microsoft, the U.S. Federal Marshal service and security firm FireEye took down the Rustock botnet, a network of a million compromised computers surreptitiously managed by a group of ...

Microsoft on Thursday wrapped up its civil case against the still-unnamed controllers of the Rustock botnet and handed off the information gleaned during its investigation to the FBI. But the move ...

This article was originally on a blog post platform and may be missing photos, graphics or links. See About archive blog posts. Microsoft Corp. is offering a $250,000 reward for information leading to ...

Microsoft and federal law enforcement authorities confiscated equipment from seven Internet hosting facilities across the United States on Wednesday, resulting in a takedown of the Rustock botnet.

If you opened your inbox this morning to find fewer spam emails than normal, it may not be a coincidence. The infamous Rustock botnet, the world's most prolific source of spam emails, went silent on ...

Rustock, one of the oldest and most prolific botnets in Web history, is at it again. According to a blog by NetWitness researcher Alex Cox, Rustock is spouting spam again after a brief respite in 2010 ...

For more than 24 hours this week, it was a question that very few security experts could answer: Who had knocked the world’s worst spam botnet offline? After infecting close to a million computers and ...

Spam e-mail volumes dropped to a new low over the holiday season, sinking to their lowest levels since the November 2008 shuttering of rogue ISP McColo, Symantec security researchers found. According ...

A series of raids last week submarined Rustock, Microsoft said, noting that it had filed a lawsuit that sparked the raids. Rustock would take control of a computer and use it to send spam. It is ...

Microsoft is trying to use its financial clout to bolster its investigation into who may be behind the notorious Rustock spambot. While the primary goal for our legal and technical operation has been ...