ISO 27001:2022 Annex A 8.26 Checklist Guide •

ISO 27001:2022 Annex A 8.26 Checklist Guide

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By Max Edwards | Updated 15 August 2024

Using a checklist for A.8.26 Application Security Requirements ensures systematic compliance, mitigates security risks, and enhances application security throughout the development process. It provides a structured approach to meeting ISO 27001:2022 standards, promoting consistency and thoroughness in implementation.

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ISO 27001 A.8.26 Application Security Requirements Checklist

A.8.26 Application Security Requirements in ISO/IEC 27001:2022 Annex A emphasises the critical need for integrating robust security measures into the software development life cycle (SDLC) to protect applications from potential threats and vulnerabilities. This control ensures that security considerations are embedded from the initial stages of development through deployment and maintenance, thereby safeguarding the integrity, confidentiality, and availability of applications.

Implementing these requirements involves a comprehensive approach that includes defining security requirements, conducting thorough risk assessments, implementing appropriate controls, and ensuring continuous monitoring and maintenance.

Below is an enhanced explanation of A.8.26, detailing common challenges faced by a Chief Information Security Officer (CISO), ISMS.online features for compliance, solutions for challenges, associated ISO 27001:2022 clauses, and a comprehensive compliance checklist.

Objective of Annex A.8.26

To ensure that information security is an integral part of the software development process, protecting applications from potential security threats and vulnerabilities.


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Why Should You Comply With Annex A.8.26? Key Aspects and Common Challenges

1. Security Requirements Definition:

  • Establish Security Requirements: Clearly define security requirements for applications based on the organisation’s information security policies, legal, regulatory, and contractual obligations.
    • Challenges: Ensuring comprehensive and up-to-date requirements, aligning diverse stakeholder expectations, and keeping pace with evolving security threats.

    • Solutions: Utilise cross-functional teams to gather diverse perspectives and regularly update security requirements. Employ automated tools to track and integrate evolving security threats.
    • Associated ISO 27001 Clauses: 4.1, 4.2, 6.1, 6.2
  • Incorporate Security in Design: Ensure that security is considered during the initial stages of application development, including design and architecture.
    • Challenges: Integrating security without hindering design creativity or performance, and getting early buy-in from developers and project managers.

    • Solutions: Use secure design principles and frameworks, and engage developers early in the process to emphasise the importance of security.
    • Associated ISO 27001 Clauses: 5.1, 5.2, 6.1

2. Risk Assessment:

  • Threat Modelling: Conduct threat modelling to identify potential threats and vulnerabilities in the application.
    • Challenges: Accurately predicting and modelling all potential threats, requiring specialised expertise and comprehensive threat intelligence.

    • Solutions: Provide training for staff on threat modelling techniques and utilise threat intelligence platforms.
    • Associated ISO 27001 Clauses: 6.1, 9.2, 9.3
  • Risk Analysis: Perform risk analysis to evaluate the potential impact of identified threats and prioritise them based on their severity.
    • Challenges: Balancing between thoroughness and practicality, and prioritising risks amid limited resources.

    • Solutions: Use risk management software to automate and streamline risk analysis and prioritisation processes.
    • Associated ISO 27001 Clauses: 6.1, 9.1

3. Security Controls Implementation:

  • Implement Controls: Apply appropriate security controls to mitigate identified risks. This includes access controls, input validation, encryption, and secure coding practices.
    • Challenges: Ensuring controls are effective without impacting usability, maintaining consistency across different projects, and overcoming resistance to change.

    • Solutions: Standardise security controls across projects and integrate them into the development process with minimal disruption. Conduct regular training to address resistance.
    • Associated ISO 27001 Clauses: 8.1, 8.2, 8.3
  • Follow Best Practices: Utilise industry best practices and standards for application security, such as OWASP guidelines.
    • Challenges: Keeping up-to-date with best practices and ensuring their consistent application across teams and projects.

    • Solutions: Subscribe to industry updates and incorporate best practices into internal guidelines and training programmes.
    • Associated ISO 27001 Clauses: 7.2, 7.3, 10.2

4. Testing and Validation:

  • Security Testing: Conduct comprehensive security testing, including static and dynamic analysis, penetration testing, and vulnerability scanning, to identify and address security weaknesses.
    • Challenges: Allocating sufficient time and resources for thorough testing, finding skilled testers, and managing the volume of detected vulnerabilities.

    • Solutions: Automate testing processes where possible, hire or train skilled security testers, and prioritise vulnerabilities based on risk.
    • Associated ISO 27001 Clauses: 9.1, 9.2
  • Code Review: Implement regular code reviews to ensure that secure coding practices are being followed.
    • Challenges: Training developers on secure coding, ensuring reviewers have the necessary expertise, and integrating reviews into tight development schedules.

    • Solutions: Conduct secure coding workshops, establish a code review checklist, and integrate code reviews into the development workflow.
    • Associated ISO 27001 Clauses: 7.2, 8.1

5. Secure Deployment:

  • Environment Separation: Ensure separation of development, testing, and production environments to prevent unauthorised access and changes.
    • Challenges: Managing and maintaining separate environments, preventing configuration drift, and ensuring seamless transitions between environments.

    • Solutions: Use environment management tools and enforce strict access controls and monitoring to prevent unauthorised changes.
    • Associated ISO 27001 Clauses: 8.1, 9.1
  • Configuration Management: Maintain secure configurations for applications and systems throughout their lifecycle.
    • Challenges: Keeping configurations secure and up-to-date, avoiding misconfigurations, and managing configuration changes.

    • Solutions: Implement configuration management tools and processes, and conduct regular audits to ensure compliance.
    • Associated ISO 27001 Clauses: 8.1, 9.2

6. Monitoring and Maintenance:

  • Ongoing Monitoring: Continuously monitor applications for security incidents and vulnerabilities.
    • Challenges: Implementing effective monitoring solutions, managing alerts and false positives, and ensuring timely incident response.

    • Solutions: Deploy advanced monitoring tools with AI capabilities to filter false positives and establish a dedicated incident response team.
    • Associated ISO 27001 Clauses: 9.1, 10.1
  • Patch Management: Implement a patch management process to apply updates and patches promptly to fix security issues.
    • Challenges: Keeping up with patch releases, ensuring compatibility, and minimising downtime during updates.

    • Solutions: Automate the patch management process and schedule updates during off-peak hours to minimise disruptions.
    • Associated ISO 27001 Clauses: 8.1, 10.2

7. Documentation and Training:

  • Document Requirements: Maintain detailed documentation of security requirements, design, and implemented controls.
    • Challenges: Keeping documentation current and comprehensive, ensuring it is accessible and usable, and balancing detail with clarity.

    • Solutions: Use documentation management systems and conduct regular reviews and updates to keep documents relevant.
    • Associated ISO 27001 Clauses: 7.5, 8.1
  • Security Awareness: Provide training and awareness programmes for developers and relevant personnel on secure coding practices and application security.
    • Challenges: Designing engaging and effective training, ensuring participation and comprehension, and maintaining ongoing education.

    • Solutions: Develop interactive and engaging training modules, track training completion, and offer refresher courses periodically.
    • Associated ISO 27001 Clauses: 7.2, 7.3

Benefits of Compliance

  • Enhanced Security: Integrating security into the SDLC helps in identifying and mitigating security risks early, resulting in more secure applications.
  • Compliance: Ensures compliance with legal, regulatory, and contractual obligations related to application security.
  • Risk Reduction: Reduces the likelihood of security breaches and their potential impact on the organisation.


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ISMS.online Features for Demonstrating Compliance with A.8.26

  • Risk Management:
    • Risk Bank: A repository to store and manage identified risks, including those related to application security.
    • Dynamic Risk Map: Visualises risks and their interrelationships, aiding in threat modelling and risk analysis.
    • Risk Monitoring: Ongoing tracking and monitoring of risks to ensure they are mitigated effectively.
  • Policy Management:
    • Policy Templates: Pre-defined templates for creating and maintaining security policies, including those for application security.
    • Version Control: Tracks changes and updates to policies, ensuring that security requirements are always up-to-date.
    • Document Access: Controlled access to policy documents, ensuring only authorised personnel can view or edit them.
  • Incident Management:
    • Incident Tracker: Logs and manages security incidents related to applications, facilitating response and learning from incidents.
    • Workflow and Notifications: Automates incident response processes and alerts relevant personnel promptly.
  • Audit Management:
    • Audit Templates: Provides structured templates for conducting security audits, including application security assessments.
    • Audit Plan and Documentation: Helps plan, execute, and document audits to ensure thorough coverage and compliance.
  • Training and Awareness:
    • Training Modules: Comprehensive training programmes on secure coding practices and application security awareness.
    • Training Tracking: Monitors participation and completion of training programmes to ensure all personnel are adequately trained.
  • Documentation:
    • Document Templates: Standardised templates for documenting security requirements, risk assessments, and controls.
    • Version Control and Collaboration: Ensures accurate and up-to-date documentation with collaborative features for team inputs.

By utilising these ISMS.online features, organisations can effectively demonstrate their compliance with A.8.26, ensuring robust application security integrated throughout the development process.

Detailed Annex A.8.26 Compliance Checklist

  • Security Requirements Definition:
    • Define and document security requirements based on organisational policies, legal, and regulatory obligations.
    • Integrate security requirements into application design and architecture phases.
    • Regularly review and update security requirements to address evolving threats and business needs.
  • Risk Assessment:
    • Conduct threat modelling to identify potential security threats and vulnerabilities.
    • Perform risk analysis to evaluate the impact and prioritise risks.
    • Document identified threats, vulnerabilities, and risk assessments.
  • Security Controls Implementation:
    • Apply appropriate security controls such as access controls, encryption, and input validation.
    • Ensure security controls are aligned with industry best practices (e.g., OWASP guidelines).
    • Validate the effectiveness of implemented controls through testing and review.
  • Testing and Validation:
    • Conduct static and dynamic analysis, penetration testing, and vulnerability scanning.
    • Implement a regular code review process to ensure adherence to secure coding practices.
    • Document and address identified vulnerabilities and security issues.
  • Secure Deployment:
    • Ensure separation of development, testing, and production environments.
    • Maintain and enforce secure configurations for all environments.
    • Monitor and manage changes to configurations to prevent misconfigurations.
  • Monitoring and Maintenance:
    • Continuously monitor applications for security incidents and vulnerabilities.
    • Implement a patch management process to apply updates and patches promptly.
    • Document and track the effectiveness of monitoring and patch management processes.
  • Documentation and Training:
    • Maintain detailed documentation of security requirements, risk assessments, and implemented controls.
    • Provide regular training and awareness programmes on secure coding and application security.
    • Track participation and completion of training programmes to ensure comprehensive coverage.


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Every Annex A Control Checklist Table

ISO 27001 Annex A.5 Control Checklist Table

ISO 27001 Control NumberISO 27001 Control Checklist
Annex A.5.1Policies for Information Security Checklist
Annex A.5.2Information Security Roles and Responsibilities Checklist
Annex A.5.3Segregation of Duties Checklist
Annex A.5.4Management Responsibilities Checklist
Annex A.5.5Contact With Authorities Checklist
Annex A.5.6Contact With Special Interest Groups Checklist
Annex A.5.7Threat Intelligence Checklist
Annex A.5.8Information Security in Project Management Checklist
Annex A.5.9Inventory of Information and Other Associated Assets Checklist
Annex A.5.10Acceptable Use of Information and Other Associated Assets Checklist
Annex A.5.11Return of Assets Checklist
Annex A.5.12Classification of Information Checklist
Annex A.5.13Labelling of Information Checklist
Annex A.5.14Information Transfer Checklist
Annex A.5.15Access Control Checklist
Annex A.5.16Identity Management Checklist
Annex A.5.17Authentication Information Checklist
Annex A.5.18Access Rights Checklist
Annex A.5.19Information Security in Supplier Relationships Checklist
Annex A.5.20Addressing Information Security Within Supplier Agreements Checklist
Annex A.5.21Managing Information Security in the ICT Supply Chain Checklist
Annex A.5.22Monitoring, Review and Change Management of Supplier Services Checklist
Annex A.5.23Information Security for Use of Cloud Services Checklist
Annex A.5.24Information Security Incident Management Planning and Preparation Checklist
Annex A.5.25Assessment and Decision on Information Security Events Checklist
Annex A.5.26Response to Information Security Incidents Checklist
Annex A.5.27Learning From Information Security Incidents Checklist
Annex A.5.28Collection of Evidence Checklist
Annex A.5.29Information Security During Disruption Checklist
Annex A.5.30ICT Readiness for Business Continuity Checklist
Annex A.5.31Legal, Statutory, Regulatory and Contractual Requirements Checklist
Annex A.5.32Intellectual Property Rights Checklist
Annex A.5.33Protection of Records Checklist
Annex A.5.34Privacy and Protection of PII Checklist
Annex A.5.35Independent Review of Information Security Checklist
Annex A.5.36Compliance With Policies, Rules, and Standards for Information Security Checklist
Annex A.5.37Documented Operating Procedures Checklist


ISO 27001 Annex A.6 Control Checklist Table

ISO 27001 Control NumberISO 27001 Control Checklist
Annex A.6.1Screening Checklist
Annex A.6.2Terms and Conditions of Employment Checklist
Annex A.6.3Information Security Awareness, Education and Training Checklist
Annex A.6.4Disciplinary Process Checklist
Annex A.6.5Responsibilities After Termination or Change of Employment Checklist
Annex A.6.6Confidentiality or Non-Disclosure Agreements Checklist
Annex A.6.7Remote Working Checklist
Annex A.6.8Information Security Event Reporting Checklist


ISO 27001 Annex A.7 Control Checklist Table

ISO 27001 Control NumberISO 27001 Control Checklist
Annex A.7.1Physical Security Perimeters Checklist
Annex A.7.2Physical Entry Checklist
Annex A.7.3Securing Offices, Rooms, and Facilities Checklist
Annex A.7.4Physical Security Monitoring Checklist
Annex A.7.5Protecting Against Physical and Environmental Threats Checklist
Annex A.7.6Working in Secure Areas Checklist
Annex A.7.7Clear Desk and Clear Screen Checklist
Annex A.7.8Equipment Siting and Protection Checklist
Annex A.7.9Security of Assets Off-Premises Checklist
Annex A.7.10Storage Media Checklist
Annex A.7.11Supporting Utilities Checklist
Annex A.7.12Cabling Security Checklist
Annex A.7.13Equipment Maintenance Checklist
Annex A.7.14Secure Disposal or Re-Use of Equipment Checklist


ISO 27001 Annex A.8 Control Checklist Table

ISO 27001 Control NumberISO 27001 Control Checklist
Annex A.8.1User Endpoint Devices Checklist
Annex A.8.2Privileged Access Rights Checklist
Annex A.8.3Information Access Restriction Checklist
Annex A.8.4Access to Source Code Checklist
Annex A.8.5Secure Authentication Checklist
Annex A.8.6Capacity Management Checklist
Annex A.8.7Protection Against Malware Checklist
Annex A.8.8Management of Technical Vulnerabilities Checklist
Annex A.8.9Configuration Management Checklist
Annex A.8.10Information Deletion Checklist
Annex A.8.11Data Masking Checklist
Annex A.8.12Data Leakage Prevention Checklist
Annex A.8.13Information Backup Checklist
Annex A.8.14Redundancy of Information Processing Facilities Checklist
Annex A.8.15Logging Checklist
Annex A.8.16Monitoring Activities Checklist
Annex A.8.17Clock Synchronisation Checklist
Annex A.8.18Use of Privileged Utility Programs Checklist
Annex A.8.19Installation of Software on Operational Systems Checklist
Annex A.8.20Networks Security Checklist
Annex A.8.21Security of Network Services Checklist
Annex A.8.22Segregation of Networks Checklist
Annex A.8.23Web Filtering Checklist
Annex A.8.24Use of Cryptography Checklist
Annex A.8.25Secure Development Life Cycle Checklist
Annex A.8.26Application Security Requirements Checklist
Annex A.8.27Secure System Architecture and Engineering Principles Checklist
Annex A.8.28Secure Coding Checklist
Annex A.8.29Security Testing in Development and Acceptance Checklist
Annex A.8.30Outsourced Development Checklist
Annex A.8.31Separation of Development, Test and Production Environments Checklist
Annex A.8.32Change Management Checklist
Annex A.8.33Test Information Checklist
Annex A.8.34Protection of Information Systems During Audit Testing Checklist


How ISMS.online Help With A.8.26

Are you ready to elevate your organisation’s application security to meet the highest standards of ISO 27001:2022 compliance?

ISMS.online is here to help you achieve comprehensive compliance with A.8.26 Application Security Requirements. Our platform provides the tools and features you need to integrate robust security measures throughout your software development life cycle.

Contact us today to learn more about how ISMS.online can support your compliance journey. Book a demo now and discover how our solutions can enhance your information security management and protect your applications from potential threats.

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