A relatively new botnet has taken up the slack left by the shutdown in July of another major spamming botnet called Grum, according to the junk mail fighting organization Spamhaus. The botnet, named Festi or Spamnost, has surged since the demise of Grum. Spamhaus counts at least 250,000 unique IP addresses showing signs of a Festi infection, up from around 20,000 unique IP addresses preceding Grum`s takedown by security researchers.
Posted by Asha 280 days ago (http://www.infoworld.com)
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