Spam increasing again after shutdown of hosting company
Spammers knocked offline two weeks ago when their hosting company, McColo Corp., was shut down are finally coming back online, security researchers said on Wednesday.
San Jose, Calif.-based McColo was believed to be responsible for up to 75 percent of all spam, according to Brian Krebs of The Washington Post, who broke the initial story.
Spam volumes, which dropped about 80 percent when McColo was shut down on November 11, remained relatively flat since then until a few days ago when they started climbing up, said Matt Sergeant, senior antispam technologist at MessageLabs, now owned by Symantec.
Since Sunday, … Read more