LXer: Secure Linux: Part 1. SELinux – history of its development, architecture and operating princip
 

Published at LXer:

The project involving the development of Security-Enhanced Linux® (SELinux), a system offering mandatory access control, was initiated inside the US National Security Agency (NSA). The companies Secure Computing Corporation (SCC) and MITRE were directly involved in the development, along with a number of research laboratories. It was released as a general access software product (with the source code distributed under a GPL license) in December 2000. A special press release was issued by NSA to mark the occasion (see Resources). By that time, 10 years had already been spent developing, analyzing, and testing the basic SELinux architecture as part of several semi-research/semi-military projects

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