Trusted operating system

Trusted Operating System (TOS) generally refers to an operating system that provides sufficient support for multilevel security and evidence of correctness to meet a particular set of government requirements.

The most common set of criteria for trusted operating system design is the Common Criteria combined with the Security Functional Requirements (SFRs) for Labeled Security Protection Profile (LSPP) and mandatory access control (MAC). The Common Criteria is the result of a multi-year effort by the governments of the U.S., Canada, United Kingdom, France, Germany, the Netherlands and other countries[1] to develop a harmonized security criteria for IT products.


Examples of certified trusted operating systems are:

Examples of operating systems that might be certifiable are:

Companies that have created trusted operating systems include:

See alsoEdit


  1. ^ List of member of the Common Criteria Recognition Arrangement:
  2. ^ Common Criteria certification report
  3. ^ Common Criteria certification report
  4. ^ List of AIX certifications on
  5. ^ "Australian Signals Directorate".
  6. ^ Common Criteria Certification report
  7. ^ FreeBSD statement about support of Common Criteria requirements : "Archived copy". Archived from the original on 2012-03-31. Retrieved 2011-11-19.CS1 maint: archived copy as title (link)

External linksEdit