Description: Mutual TLS (mTLS) is a security mechanism based on the TLS protocol where both client and server authenticate each other using X.509 digital certificates to establish a trusted and encrypted communication channel. Publisher: IETF Source: Transport Layer Security (TLS) Last modification: 2026-06-09 Identifier: http://data.europa.eu/dr8/egovera/MutualTLSApplicationService EIRA traceability: http://data.europa.eu/dr8/TrustServiceProvisioningApplicationComponent EIRA concept: eira:SolutionBuildingBlock Additional identifier: http://data.europa.eu/dr8/egovera/MutualTLSApplicationService Title: Mutual TLS (mTLS) Example: Bidirectional certificate-based authentication between APIs and services EIF Layer: TechnicalApplication