Home / Standards / GB/T 45909-2025 GB/T 45909-2025 Active Cybersecurity technology—Implementation guideline of digital watermarking technology 网络安全技术 数字水印技术实现指南 Standard Type GBT ICS 35.030 CCS L80 Status 现行 Issue Date 2025-06-30 Implementation 2026-01-01 Responsible Dept 国家标准委 Drafting Unit N/A