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Image spam: the threat returns

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Email threat update

Published June 2009

Image spam peaked in 2007, but recent analysis shows image spam making an making an unwelcome return.

Spam levels reached a nineteen month high recently as the return of image spam pushed it above 85%. More difficult to detect than before, the latest run of image spam can cause problems for outdated email defences.

Understand the latest tricks the spammers are using to evade your email defences.

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