From: threatpost – The First Stop for Security News – Side-Channel Attack Steals Crypto Key from Co-Located Virtual Machines

Posted on 2012/11/06


a quick re-post from threatpost – The First Stop for Security News http://threatpost.com/en_us/blogs/side-channel-attack-steals-crypto-key-co-located-virtual-machines-110512

Side-Channel Attack Steals Crypto Key from Co-Located Virtual Machines by Michael Mimoso

Side-channel attacks against cryptography keys have, until now, been limited to physical machines. Researchers have long made accurate determinations about crypto keys by studying anything from variations in power consumption to measuring how long it takes for a computation to complete.

A team of researchers from the University of North Carolina, University of Wisconsin, and RSA Security has ramped up the stakes, having proved in controlled conditions that it’s possible to steal a crypto key from a virtual machine.

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