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 ...

The effort to unmask and apprehend the criminals behind the massive Rustock botnet heated up today as Microsoft put up a $250,000 reward for new information on the botnet's operators. Rustock -- which ...

Notorious spam botnet Rustock has gone quiet and security analysts aren’t sure why. Researchers with Symantec’s MessageLabs Intelligence, citing a Brian Krebs post on KrebsonSecurity, said the botnet ...

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 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 ...

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 ...

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 ...

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 ...

Global spam volumes have fallen precipitously in the past two months, thanks largely to the cessation of junk e-mail from Rustock – until recently the world’s most active spam botnet. But experts say ...

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 ...

Aaron Wendel opened the doors of his business to some unexpected visitors on the morning of Mar. 16, 2011. The chief technology officer of Kansas City based hosting provider Wholesale Internet found ...