DfenseSolutions

“Spam volumes plunged by more than 40% after a major bot hosting network was shut down, researchers at IronPort Systems Inc. said today.

On Tuesday, McColo Corp. was kicked offline when its primary Internet providers severed its connection to the Web, reported The Washington Post, which led an investigation of the San Jose-based hosting service. According to the newspaper, McColo’s clients included cybercriminal groups that ran some of the biggest spam-spewing and malware-spreading botnets.”  Read more…