TCSEC (Orange Book)

由美國國防部委託National Computer Security Center (NCSC)發展。

分級資訊如下:

• Division D - minimal security
• Division C - discretionary protection
• Division B - mandatory protection
• Division A - verified protection

https://csrc.nist.gov/csrc/media/publications/white-paper/1985/12/26/dod-rainbow-series/final/documents/std001.txt

https://en.wikipedia.org/wiki/Trusted_Computer_System_Evaluation_Criteria