The point: ISO 27001:2022 requires multi-factor authentication with phishing-resistant methods across four Annex A controls, not just password policies.
The ISO 27001:2022 standard governs secure authentication in organizations through four Annex A controls. CISOs must implement phishing-resistant multi-factor authentication alongside strong password policies and conditional access.
ISO 27001:2022 specifies requirements for authentication through four dedicated controls in Annex A. These address password policy, authentication mechanisms and their secure management. Password-only authentication no longer meets the standard’s requirements.
For CISOs, this means password policies alone are insufficient. The standard requires technical measures such as conditional access, which reviews authentication attempts based on context and anomalies. Simultaneously, implementation of multi-factor authentication (MFA) becomes mandatory, with a focus on phishing-resistant methods — such as hardware security keys or Windows Hello — rather than vulnerable SMS codes.
From a governance perspective: implementing these controls requires clear policies, technical implementation in IAM systems and regular compliance audits. Organizations pursuing or already certified to ISO 27001:2022 must document how they have implemented these four authentication controls and demonstrate that technical reality aligns with the standard.
Source: www.computerweekly.com · Published 27 July 2026
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