Tag Archives: Nikolai Alekseevich Kostogryz

Top Spam Botnet, “Grum,” Unplugged

July 19, 2012

Roughly five years after it burst onto the malware scene, the notorious Grum spam botnet has been disconnected from the Internet. Grum has consistently been among the top three biggest sources of junk email, a crime machine capable of blasting 18 billion messages per day and responsible for sending about one-third of all spam.

Who’s Behind the World’s Largest Spam Botnet?

February 1, 2012

A Wikileaks-style war of attrition between two competing rogue Internet pharmacy gangs has exposed some of the biggest spammers on the planet. The latest casualties? Several individuals likely responsible for running Grum, currently the world’s most active spam botnet.