How to audit ISO 27001

Auditing Protection of Information Systems During Audit Testing is the technical verification of safeguards preventing operational disruption during compliance assessments. […]

Auditing ISO 27001 Annex A 8.33 Test Information is the technical verification of safeguards protecting data used during development and

Auditing ISO 27001 Annex A 8.32 Change Management is the technical verification of formal processes governing modifications to information systems.

Auditing ISO 27001 Annex A 8.31 Separation of Development, Test, and Production Environments is the technical verification of logical and

Auditing ISO 27001 Annex A 8.30 Outsourced Development is the technical verification of security integrity within third-party engineering workflows. The

Auditing ISO 27001 Annex A 8.29 Security Testing in Development and Acceptance is the technical verification of security validation integrated

Auditing ISO 27001 Annex A 8.28 Secure Coding is the technical verification of security principles embedded within the software development

Auditing ISO 27001 Annex A 8.27 Secure System Architecture and Engineering Principles is the technical evaluation of security-by-design throughout the

Auditing ISO 27001 Annex A 8.26 Application Security Requirements is the technical verification of security specifications within software lifecycles. The

Auditing ISO 27001 Annex A 8.25 Secure Development Lifecycle is the technical verification of security integration throughout the software engineering

Auditing ISO 27001 Annex A 8.24 Use of Cryptography is the technical verification of encryption protocols and key management lifecycles

Auditing ISO 27001 Annex A 8.23 Web Filtering is the technical verification of content-based restrictions applied to outbound internet traffic.

Auditing ISO 27001 Annex A 8.22 Segregation of Networks is the technical verification of traffic isolation and boundary protection mechanisms

Auditing ISO 27001 Annex A 8.21 Security of Network Services is the systematic evaluation of security controls applied to both

Auditing ISO 27001 Annex A 8.20 Network Security is the technical verification of infrastructure hardening and traffic segregation protocols. The

Auditing ISO 27001 Annex A 8.19 Installation of Software on Operational Systems is the technical verification of administrative controls governing

Auditing ISO 27001 Annex A 8.18 Use of Privileged Utility Programs is the technical verification of software tools that can

Auditing ISO 27001 Annex A 8.17 Clock Synchronisation is the technical verification of chronological alignment across all information processing systems.

Auditing ISO 27001 Annex A 8.16 Monitoring Activities is the technical verification of detection systems to identify unauthorised activities and

Auditing ISO 27001 Annex A 8.15 Logging is the systematic technical verification of the generation, protection, and analysis of security

Auditing ISO 27001 Annex A 8.14 Redundancy of Information Processing Facilities is the technical verification of system availability and resilience

Auditing ISO 27001 Annex A 8.13 Information Backup is the technical verification of data redundancy and restoration integrity protocols. The

Auditing ISO 27001 Annex A 8.12 Data Leakage Prevention is the technical verification of organisational safeguards against unauthorised information exfiltration.

Auditing ISO 27001 Annex A 8.11 Data Masking is a technical verification of the mechanisms used to obfuscate sensitive information.

Auditing ISO 27001 Annex A 8.10 Information Deletion is the technical verification of data removal processes across the entire organisational

Auditing ISO 27001 Annex A 8.9 Configuration Management is the technical verification of hardened system states and automated enforcement protocols.

Auditing ISO 27001 Annex A 8.8 Management of Technical Vulnerabilities is the rigorous technical evaluation of an organisation’s exposure to

Auditing ISO 27001 Annex A 8.7 Protection Against Malware is a technical verification of the organisation’s multi-layered defense against malicious

Auditing ISO 27001 Annex A 8.6 Capacity Management is a technical verification process that ensures information processing resources are proactively

Auditing ISO 27001 Annex A 8.5 Secure Authentication Information is the technical verification of how authentication secrets like passwords and

Auditing ISO 27001 Annex A 8.4 Access to Source Code is the technical verification of administrative and logical barriers surrounding

Auditing ISO 27001 Annex A 8.3 Information Access Restriction is the technical evaluation of system-level controls that enforce data confidentiality

Auditing ISO 27001 Annex A 8.2 Privileged Access Rights is the technical verification of administrative permission restrictions and lifecycle management.

Auditing ISO 27001 Annex A 8.1 User Endpoint Devices is a technical validation of the security posture governing mobile and

Auditing ISO 27001 Annex A 7.14 Secure Disposal or Re-use of Equipment is the technical verification of data destruction protocols

Auditing ISO 27001 Annex A 7.13 Security of Assets Off-premises is the critical evaluation of technical controls protecting devices outside

Auditing ISO 27001 Annex A 7.12 Cabling Security is a technical verification of the physical infrastructure carrying sensitive data and

Auditing ISO 27001 Annex A 7.11 Supporting Utilities is a rigorous technical evaluation of the infrastructure providing electricity, telecommunications, and

Auditing ISO 27001 Annex A 7.10 Storage Media is the technical verification of the full lifecycle management of physical and

Auditing ISO 27001 Annex A 7.9 Security of Assets Off-Premises is the technical verification of security controls for devices used

Auditing ISO 27001 Annex A 7.8 Equipment Siting and Protection is the systematic technical verification of the physical and environmental

Auditing ISO 27001 Annex A 7.7 Maintenance of Equipment is the systematic verification of technical servicing and operational reliability for

Auditing ISO 27001 Annex A 7.6 Clear Desk and Clear Screen is a critical evaluation of physical and technical data

Auditing ISO 27001 Annex A 7.5 Physical Security of Working Areas is the systematic verification of internal workspace controls and

Auditing ISO 27001 Annex A 7.4 Physical Security Monitoring is the systematic verification of continuous surveillance integrity and alerting responsiveness.

Auditing ISO 27001 Annex A 7.3 Securing Offices, Rooms and Facilities is a critical physical assessment of internal workspace integrity

Auditing ISO 27001 Annex A 7.2 Physical Entry Controls is a rigorous technical assessment of the mechanisms securing physical perimeters

Auditing ISO 27001 Annex A 7.1 Physical Security Perimeters is a critical technical examination of structural barriers and entry controls.

Auditing ISO 27001 Annex A 6.8 Information Security Event Reporting is the critical assessment of an organisation’s capability to detect

Auditing ISO 27001 Annex A 6.7 Remote Working is the technical evaluation of security controls applied to off-site operations. The

Auditing ISO 27001 Annex A 6.6 Confidentiality or Non-Disclosure Agreements is the systematic verification of legal and operational controls protecting

Auditing ISO 27001 Annex A 6.5 Responsibilities After Termination or Change of Employment is a rigorous evaluation of the procedural

Auditing ISO 27001 Annex A 6.4 is the formal verification of an organization’s mechanism for penalizing information security policy violations.

Auditing ISO 27001 Annex A 6.3 is the systematic evaluation of personnel competency and security culture through targeted education. The

Auditing ISO 27001 Annex A 6.2 is the legal and technical verification of information security obligations embedded within employment contracts.

Auditing ISO 27001 Annex A 6.1 is the systematic verification of personnel background checks to mitigate insider threats effectively. The

Auditing Documented operating procedures is the technical verification of formal instructions governing information processing activities. The Primary Implementation Requirement mandates

Auditing ISO 27001 Annex A 5.36 is the rigorous verification of managerial enforcement regarding information security directives across organizational departments.

Auditing ISO 27001 Annex A 5.35 is the objective verification of an organization’s security management through impartial and technical assessments.

Auditing ISO 27001 Annex A 5.34 is the technical verification of an organization’s governance over personal data to ensure regulatory

Auditing ISO 27001 Annex A 5.33 is the critical verification of an organization’s record lifecycle management to ensure legal and

Auditing ISO 27001 Annex A 5.32 is a systematic review to ensure an organization legally protects its proprietary assets and

Auditing ISO 27001 Annex A 5.31 is the systematic verification of an organization’s adherence to jurisdictional and contractual mandates. The

Auditing ISO 27001 Annex A 5.30 is the technical verification of an organization’s resilient infrastructure to ensure continuous operations during

Auditing ISO 27001 Annex A 5.29 is a technical evaluation of an organization’s capability to maintain information security continuity during

Auditing ISO 27001 Annex A 5.28 is a critical verification process to ensure that digital and physical evidence is legally

Auditing ISO 27001 Annex A 5.27 Learning from Information Security Incidents verifies the organization’s ability to turn negative events into

Auditing ISO 27001 Annex A 5.26 Response to Information Security Incidents verifies the effectiveness of tactical actions taken during a

Auditing ISO 27001 Annex A 5.25 Assessment and Decision on Information Security Events verifies the systematic evaluation of security anomalies

Auditing ISO 27001 Annex A 5.24 Information Security Incident Management Planning involves rigorous verification of an organization’s preparedness to detect,

Auditing ISO 27001 Annex A 5.23 Information Security for Use of Cloud Services validates the governance and security of cloud-based

Auditing ISO 27001 Annex A 5.21 Managing Information Security in the ICT Supply Chain involves the continuous verification of third-party

Auditing ISO 27001 Annex A 5.21 Managing Information Security in the ICT Supply Chain involves the continuous verification of third-party

Auditing ISO 27001 Annex A 5.20 Addressing Information Security within Supplier Agreements involves verifying that security obligations are explicitly defined

Auditing ISO 27001 Annex A 5.19 Information Security in Supplier Relationships is the critical verification of third-party risk management. This

Auditing ISO 27001 Annex A 5.18 Access Rights is the rigorous verification of how user permissions are granted, reviewed, and

Auditing ISO 27001 Annex A 5.17 Authentication Information involves verifying the secure allocation, management, and revocation of secret authentication data.

Auditing ISO 27001 Annex A 5.16 Identity Management involves rigorous verification of the full lifecycle of digital identities. This process

Auditing ISO 27001 Annex A 5.15 Access Control involves the rigorous verification of logical and physical access governance. This process

Auditing ISO 27001 Annex A 5.14 Information Transfer validates the security of data in transit across organizational boundaries. This process

Auditing ISO 27001 Annex A 5.13 Information Labelling involves verifying that an appropriate set of procedures is implemented to label

Auditing ISO 27001 Annex A 5.9 Inventory of Assets validates the integrity of an organization’s asset management framework. This process

Auditing ISO 27001 Annex A 5.8 Information Security in Project Management is the systematic verification that security controls are integrated

Auditing ISO 27001 Annex A 5.7 Threat Intelligence validates the systematic collection and analysis of data regarding potential security attacks.

Auditing ISO 27001 Annex A 5.6 Contact with Special Interest Groups validates an organization’s active engagement with professional security forums

Auditing ISO 27001 Annex A 5.5 Contact with Authorities ensures that an organization has established appropriate channels for regulatory reporting

Auditing ISO 27001 Annex A 5.4 Management Responsibilities involves the rigorous verification of leadership’s active role in information security governance.

The ISO 27001 Clause 4.2 audit checklist is designed to help an ISO 27001 Lead Auditor conduct internal audits and

The ISO 27001 Clause 4.4 audit checklist is designed to help an ISO 27001 Lead Auditor conduct internal audits and

Auditing ISO 27001 Annex A 5.1 Policies for Information Security is the definitive assessment of governance structures and management intent.

Auditing ISO 27001 Annex A 5.1 is a rigorous governance assessment that evaluates the maturity and operational effectiveness of an

Auditing ISO 27001 Clause 5.3 Organizational Roles is the structural verification that information security responsibilities are clearly defined and assigned.

Auditing ISO 27001 Clause 5.3 is a vital governance review that verifies the alignment of organizational power with security accountability.

Auditing ISO 27001 Annex A 8.32 Change Management is the rigorous verification of organizational and technical modifications to ensure security

Auditing ISO 27001 Clause 6.3 is a formal governance verification process that evaluates how organisational changes impact the management system.

Auditing ISO 27001 Clause 7.2 Competence is the rigorous verification that personnel influencing information security performance are adequately skilled. This

Auditing ISO 27001 Clause 7.2 is the process of verifying that an organisation has determined and documented the necessary competence