Making JPEG Images Copy-Evident

A group of academic researchers at the University of Cambridge has developed a new technique for making JPEG images copy-evident, so that users can tell whether an image has been recompressed and copied.

Botnet Hiding Commands as JPEG Images

Security researchers have stumbled on a new botnet that uses an interesting technique to mask its nefarious intentions.
The Monkif/DIKhora botnet, which is pushing out Trojan downloaders to infected machines, is encoding the instructions to appear as if the command-and-control server is returning a JPEG image file, according to SecureWorks researcher Jason Milletary.  Read the full story []

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