Trusted Operating System

Trusted Operating System definition in Computer Security terms:

Acronym(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)

Synonym(s): None

 

reference: CSRC Glossary