Trusted Computer Security Evaluation Criteria

TCSEC only adress with confidenciality, and is published at the Orange Book.

Levels:

A Verified protection
A1 Verified design

B Mandatory protection
B3 Labeled security
B2 Structured protection
B1 Labeled security

C Discretionary protection
C2 Discretionary protection
C1 Controlled access

D Minimal Security

Common criteria has replaced TCSEC and ITSEC.