In July 1995, Windows NT 3.5 with Service Pack 3 was rated by the National Security Agency as complying with Trusted Computer System Evaluation Criteria (TCSEC) C2 criteria.
1995年7月，Windows NT 3.5的Service Pack 3被美国国家安全局评为符合可信计算机系统评估标准（英语：Trusted Computer System Evaluation Criteria）（TCSEC）的C2标准规定。