Home / Standards / GB/T 20274.4-2008 GB/T 20274.4-2008 Active Information security technology Evaluation framework for information systems security assurance Part 4: Engineering assurance 信息安全技术 信息系统安全保障评估框架 第4部分：工程保障 Standard Type GBT ICS 35.040 CCS L80 Status 现行 Issue Date 2008-07-18 Implementation 2008-12-01 Responsible Dept 国家标准委 Drafting Unit N/A