ISO 27001 Annex A 8.22: Segregation of Networks – Practical Implementation Guide
ISO/IEC 27001:2022 Annex A · Control 8.22 Segregation of Networks: A Practical Implementation Guide Separate users, systems and services into zones that limit unauthorized access and incident spread. This control concerns segregating groups of information services, users and systems in networks. Practical interpretation: Segmentation should follow trust, sensitivity and communication need. VLANs alone do not […]
ISO 27001 Annex A 8.23: Web Filtering – Practical Implementation Guide
ISO/IEC 27001:2022 Annex A · Control 8.23 Web Filtering: A Practical Implementation Guide Reduce exposure to malicious and inappropriate web resources while preserving legitimate business use. This control concerns managing access to external websites to reduce exposure to malicious content. Practical interpretation: Filtering should combine threat intelligence, categories, DNS or proxy controls, encrypted-traffic considerations, exceptions […]
ISO 27001 Annex A 8.24: Use of Cryptography – Practical Implementation Guide
ISO/IEC 27001:2022 Annex A · Control 8.24 Use of Cryptography: A Practical Implementation Guide Use approved cryptography and manage keys so confidentiality, integrity and authenticity remain dependable. This control concerns defining and implementing rules for effective use of cryptography and key management. Practical interpretation: Encryption strength depends on algorithms, protocols, implementation and key lifecycle. ‘Encrypted’ […]
ISO 27001 Annex A 8.25: Secure Development Life Cycle – Practical Implementation Guide
ISO/IEC 27001:2022 Annex A · Control 8.25 Secure Development Life Cycle: A Practical Implementation Guide Embed security activities and evidence into every phase of software and system development. This control concerns establishing and applying rules for secure development of software and systems. Practical interpretation: Security should shape planning, design, build, testing, release and maintenance. A […]
ISO 27001 Annex A 8.26: Application Security Requirements – Practical Implementation Guide
ISO/IEC 27001:2022 Annex A · Control 8.26 Application Security Requirements: A Practical Implementation Guide Define testable security requirements before architecture and code make changes expensive. This control concerns identifying, specifying and approving information security requirements when developing or acquiring applications. Practical interpretation: Requirements should come from risks, data, users, abuse cases, law and operations, and […]
ISO 27001 Annex A 8.27: Secure System Architecture and Engineering Principles – Practical Implementation Guide
ISO/IEC 27001:2022 Annex A · Control 8.27 Secure System Architecture and Engineering Principles: A Practical Implementation Guide Use documented security principles to guide trustworthy architecture and engineering decisions. This control concerns establishing, documenting, maintaining and applying principles for engineering secure systems. Practical interpretation: Principles such as least privilege and defense in depth become useful when […]
ISO 27001 Annex A 8.28: Secure Coding – Practical Implementation Guide
ISO/IEC 27001:2022 Annex A · Control 8.28 Secure Coding: A Practical Implementation Guide Give developers practical rules and feedback that prevent common software weaknesses. This control concerns applying secure coding principles to software development. Practical interpretation: A secure coding standard should fit languages and frameworks, be reinforced through review and tooling, and connect findings to […]
ISO 27001 Annex A 8.29: Security Testing in Development and Acceptance – Practical Implementation Guide
ISO/IEC 27001:2022 Annex A · Control 8.29 Security Testing in Development and Acceptance: A Practical Implementation Guide Test security requirements and realistic attack paths before systems enter or change production. This control concerns defining and implementing security testing throughout development and acceptance. Practical interpretation: Testing should be risk based, independent enough for the context and […]
ISO 27001 Annex A 8.30: Outsourced Development – Practical Implementation Guide
ISO/IEC 27001:2022 Annex A · Control 8.30 Outsourced Development: A Practical Implementation Guide Maintain security governance and assurance when external parties develop systems or software. This control concerns directing, monitoring and reviewing activities related to outsourced system development. Practical interpretation: Outsourcing execution does not outsource accountability. Requirements, access, code ownership, development practice, testing, delivery and […]
ISO 27001 Annex A 8.31: Separation of Development, Test and Production Environments – Practical Implementation Guide
ISO/IEC 27001:2022 Annex A · Control 8.31 Separation of Development, Test and Production Environments: A Practical Implementation Guide Separate environments to reduce unauthorized change, data exposure and accidental impact on production. This control concerns separating development, testing and production environments and controlling movement between them. Practical interpretation: Separation includes identities, networks, data, credentials, pipelines, administration […]