It was for the high-assurance BLACKER VPN: https://en.wikipedia.org/wiki/Blacker_(security) https://en.wikipedia.org/wiki/Blacker_(security) Here's the source

It was for the high-assurance BLACKER VPN: https://en.wikipedia.org/wiki/Blacker_(security) https://en.wikipedia.org/wiki/Blacker_(security) Here's the source on that: http://cahighways.org/wordpress/?p=5460 http://cahighways.org/wordpress/?p=5460 Another notable aspect of that was it used an early secure kernel, GEMSOS, that is still marketed by Aesec but probably in legacy mode in bad way. It did resist penetration during NSA certification and time on market far as what data I have says. http://aesec.com/ http://aesec.com/