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ISO/IEC 27001:2022 Annex A 8.5 Secure authentication

Secure authentication technologies and procedures are to be put in place, driven by the information access restrictions and the access control policy. Purpose (stated in ISO/IEC 27002:2022): ensures users and entities are securely authenticated when granted access to systems, applications and services.

ISO/IEC 27001:2022. Edition: ISO/IEC 27001:2022 (third edition, October 2022) with Amendment 1:2024. Checked 2026-10-07. Our statement of the clause, cited; the standard is licensed and not quoted. Official source. The framework on compliance.theartofservice.com.

Steps that cite it

KC-01 S6 Decide the vendor's access

Evidence commonly asked for

Statement of Applicability entry for control A.8.5, showing inclusion or justified exclusion, implementation status and the risks it treats
An authentication standard linking required authentication strength to information classification and system criticality
MFA configuration and coverage reports for critical systems, remote access and privileged access, including conditional or risk-based rules
Log-on configuration showing warning banners, generic error messages, lockout or throttling after failed attempts and masked password entry

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