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200-fold increase in HTML-attachment spam

Cutwail botnet likely behind campaign that sends users to Phoenix exploit kit.
Cutwail botnet likely behind campaign that sends users to Phoenix exploit kit. Researchers at M86 have reported a significant increase in the amount of spam sent with malicious… https://www.virusbulletin.com/blog/2012/02/200-fold-increase-html-attachment-spam/

Explosive growth of malicious spam

Spam filters less likely to block current malware campaigns.
Spam filters less likely to block current malware campaigns. While several reports show that the global levels of spam have seen a steady decline over the past year, this month has… https://www.virusbulletin.com/blog/2011/08/explosive-growth-malicious-spam/

Cutwail botnet sent 1.7 trillion spam messages

Operators made several million through botnet.
Operators made several million through botnet. Researchers from The Last Line of Defense and universities in Bochum and Santa Barbara have shared some insight into the workings of… https://www.virusbulletin.com/blog/2011/03/cutwail-botnet-sent-1-7-trillion-spam-messages/