Linked by David Adams on Fri 10th Jun 2005 15:25 UTC, submitted by tm
Bugs & Viruses Many virus attacks aren't really exploiting weaknesses in your operating sytem: they're simply tricking you into telling the OS to do things that it shouldn't do. The OS is just doing its job, executing code when you say so. Researchers at HP Labs are working on a solution to this problem using the Principle of Least Authority, or POLA -- "limiting the rights of each program to only the ones needed for the job the user wants done"
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So they are implementing Niels Provos idea of a firewall/control of what system calls a program can do ? Been done for years and it's running on OpenBSD already.