U.S. flag   An unofficial archive of your favorite United States government website

Computer Security Resource Center

Computer Security Resource Center

This is an archive
(replace .gov by .rip)
    Glossary
A  |  B  |  C  |  D  |  E  |  F  |  G  |  H  |  I  |  J  |  K  |  L  |  M  |  N  |  O  |  P  |  Q  |  R  |  S  |  T  |  U  |  V  |  W  |  X  |  Y  |  Z

trusted operating system

Abbreviation(s) and Synonym(s):

None

Definition(s):

  An operating system in which there exists a level of confidence (based on rigorous analysis and testing) that the security principals and mechanisms (e.g., separation, isolation, least privilege, discretionary and non-discretionary access control, trusted path, authentication, and security policy enforcement) are correctly implemented and operate as intended even in the presence of adversarial activity.
Source(s):
CNSSI 4009-2015 CNSSI 1253

  An operating system that manages data to make sure that it cannot be altered, moved, or viewed except by entities having appropriate and authorized access rights.
Source(s):
NIST SP 800-152 under Trusted (secure) operating system