Security standards are published specifications that define requirements, controls, and best practices for protecting information systems. They span management frameworks such as ISO/IEC 27001, control catalogues such as NIST SP 800-53, and authentication standards. They provide a common basis for designing, assessing, and certifying the security posture of organisations and products.
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- Frameworks differ in scope: management-system standards define governance and risk processes, control catalogues enumerate technical and procedural safeguards, and protocol standards specify interoperable cryptographic mechanisms. Conformance is demonstrated through certification, attestation, or audit, enabling trust between parties.