Security Ratings

Having software, including operating systems, rated against well-defined standards helps the government, corporations, and home users protect proprietary and personal data stored in computer systems. The current security rating standard used by the United States and many other countries is the Common Criteria (CC). To understand the security capabilities designed into Windows, however, it’s useful to know the history of the security ratings system that influenced the design of Windows, the Trusted Computer System Evaluation Criteria (TCSEC).

Trusted Computer System Evaluation Criteria

The National Computer Security Center (NCSC) was established in 1981 as part of the U.S. Department of Defense’s (DoD) National Security Agency (NSA). ...

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