A botnet used solely to send junk e-mail promoting penis enlargement products has taken over from the Storm botnet as the most prolific sender of spam, according to security researchers.
Opportunistic spammers are increasingly posting additional threats, such as links to malware, within the body of their unsolicited e-mail messages, according to new findings by Internet security company Marshal Software.
Spammers are exploiting YouTube's "Invite your Friends" facility to send spam containing a Storm Trojan from the video sharing site.
Technology managers are struggling with a peak period in spam activity which security vendors say has hit one of its highest points ever.
Criminals behind the Storm worm have created a botnet containing millions of PCs, which have a combined computing power greater than the most powerful supercomputer in existence.
Botnet operators have become public enemy number-one as consumers, businesses and governments fall foul to identity theft, DDoS attacks and spam. Yet no one appears to be able to stop the spread of bots -- except maybe the media.
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