According to Commtouch, which recently published its Internet Threats Trend Report for April-June 2011 quarterly report, today's spammers are gradually shifting their spam-dissemination operation through botnets to dissemination through compromised accounts. Incidentally, the report, which covers malicious software, spam, phishing and other Web-based threats, outlines that spammers' strategy alteration was the result of the drastic fall in spam volumes following the major botnet, Rustock's shutdown.
Moreover, during Q2-2011, the mean rate of spam volumes was 113bn e-mails daily, the lowest over the past 3-yrs, says the security company.
Remarking about the aforementioned fascinating strategy alteration, Director of Product Marketing Avi Turiel at Commtouch stated that his organization had experienced that whenever there was the takedown of a botnet, there occurred a drop in the spam volumes following which the spam levels repeated a spike within some weeks. However, during Q2-2011, the company witnessed spam volumes to remain at the same reduced volumes that the messages had declined to, he noted. Infosecurity-us.com published this on July 12, 2011.
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