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How secure are VMs?

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Rahul Chaudhary

Posts: 10
Nickname: javaguru
Registered: Jan, 2003

How secure are VMs? Posted: May 14, 2003 4:55 PM
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The technique relies on the ability of energy to "flip bits" in memory. While cosmic rays very occasionally can cause a random bit in memory to change value, from 0 to 1 or from 1 to 0, Govindavajhala decided not to wait. He used a lamp to heat up the chips inside a computer and cause one or more bits of memory to change.

By doing so, the researcher broke the security model virtual machines rely on: that the computer faithfully executes its instruction set.

Check out the news at http://news.com.com/2100-1009_3-1001406.html

The paper presented at the Institute of Electrical and Electronic Engineers (IEEE) Symposium on Security and Privacy http://www.cs.princeton.edu/~sudhakar/papers/

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