Definition: Directory Access ABB is a technology service that provides standardized access to authoritative directories of identities, roles, credentials, and attributes, enabling authentication, authorization, and identity federation across digital public services. Last modification: 2026-01-26 Identifier: http://data.europa.eu/dr8/DirectoryAccessTechnologyService LOST view: Technical view - infrastructure EIRA concept: eira:ArchitectureBuildingBlock ABB name: eira:DirectoryAccessTechnologyService Additional identifier: http://data.europa.eu/dr8/DirectoryAccessTechnologyService Synonym: Identity Directory Service, LDAP Service , Account Directory Example: Microsoft Active Directory,OpenLDAP, Azure AD Domain Services Interoperability Saliency: Directory Access enables interoperable digital identity by allowing digital public services from different Member States to retrieve and validate identity and authorization attributes using shared directory standards. Additional information: This ABB provides read and query access to identity and attribute stores.it does not perform authentication or authorization decisions, which are handled by Identity Providers and Access Management services. EIF Layer: TechnicalInfrastructure