The Waledac takedown is the culmination of a months-long investigation and legal strategizing on the part of Microsoft in an effort known as "Operation b49." The software giant received a temporary ...

Microsoft has several other botnets in its crosshairs, and believes it can use the same legal tactic against them that it deployed last week to strike at the Waledac botnet's command-and-control ...

Continuing its legal assault on botnet operators and the hosting companies that the criminals use for their activities, Microsoft has announced new actions against a group of people it contends are ...

Microsoft has seen a dramatic drop in the number of computers infected with Waledac, a piece of malicious software affiliated with a botnet that was once responsible for a massive amount of spam. In ...

Microsoft has announced that it is about to put an end to Necurs, one of the most dangerous botnets in recent years. Microsoft's cyber-security crusade continues. After eight years of work, Cyber ...

A prominent security researcher today said he doubts Microsoft's take-down of the Waledac botnet would have any impact on spam levels, as the company claimed. "Waledac just is not a hugely prolific ...