Spam botnets: The fall of Grum and the rise of Festi

In July 2012, FireEye in cooperation with other security organisations, such as Spamhaus, took down the Grum botnet. At that time Grum was the third largest spam-sending botnet. The event gained considerable media attention. Spamhaus worked on the takedown of the botnet by contacting…

*** This is a Security Bloggers Network syndicated blog from The Spamhaus Project authored by The Spamhaus Team. Read the original post at: https://www.spamhaus.org/resource-hub/service-providers/spam-botnets-the-fall-of-grum-and-the-rise-of-festi