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To: Matt Reimer <mattjreimer@gmail.com>, freebsd-security@freebsd.org
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Subject: Re: A new kind of security needed
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Matt Reimer wrote:

> Is anyone else nervous trusting all his programs to have access to all
> his files? Is there already a reasonable solution to this problem?

http://www.cis.upenn.edu/~KeyKOS/Confinement.html

http://cr.yp.to/qmail/qmailsec-20071101.pdf

Also: CapDesk, Bitfrost, systrace, EROS/Coyotos

In general, solutions have proven to be vaporware, very burdensome to use 
(systrace), or reduced in scope (Bernstein's single-source transforms). The 
success rate is not zero, though, and I too crave a solution...