Summary - Y.3261 (11/2025) - Framework of trust level assessment for trustworthy networking

Recommendation ITU-T Y.3261 provides a framework of trust level assessment for trustworthy networking. It describes the trust level specification and the trust level evaluation criteria, and proposes a trust level evaluation model. With the above concepts, this Recommendation further specifies the high-level and functional requirements for trust level assessment and also proposes a framework as well as procedures for trust level assessment.