The Core Insight: Cybersecurity Audit Is Mostly Process Audit
The most important reframe for non-IT auditors approaching cybersecurity work is that the majority of cybersecurity control failures are process failures, not technical ones. Access credentials are compromised because people share passwords or fail to reset them promptly — a behaviour and process issue. Patches are not applied because patch management processes are inadequate — a governance and operations issue. Data is exfiltrated because an employee clicks a phishing link — a training and awareness issue. Insider threats go undetected because monitoring processes are not implemented — a management oversight issue.
None of these root causes requires the auditor to understand TCP/IP protocols, encryption algorithms, or firewall rule sets. They require the auditor to understand process design, control effectiveness, management accountability, and human behaviour — exactly what internal auditors are trained to assess across every domain they work in.
Five Governance Questions Any Auditor Can Assess
Do we know what we need to protect? Information asset inventory and classification is the foundation of cybersecurity governance. Without knowing what data the organisation holds, where it resides, who has access, and what its sensitivity is, proportionate protection is structurally impossible. Auditing this question means examining whether the information asset inventory exists, whether it is current, and whether sensitive assets have been identified and classified against defined criteria.
Who has access and should they? Access management is the single most important cybersecurity control domain. The audit procedures here are substantially the same as IT general control access management work — examining provisioning and de-provisioning processes, appropriateness of access rights relative to job responsibilities, privileged access controls, and the quality of periodic access reviews. This is process audit in a cybersecurity context.
Do we know when something goes wrong? Detection capability — the organisation's ability to identify a security incident when it occurs — is a critical governance question. Auditing this means examining security monitoring processes, incident logging and alerting configurations at a process level, and the organisational workflow for reviewing and responding to security alerts that have been generated.
What happens when it does go wrong? Incident response readiness can be assessed through documentation and process review — examining whether an incident response plan exists, whether it has been tested through tabletop exercises, whether staff understand their roles, and whether the organisation has established relationships with external incident response providers before a crisis occurs.
Are our suppliers managing their cyber risk? Examining the organisation's vendor risk management process for cybersecurity — whether suppliers with access to organisational systems or data are assessed, whether contractual security requirements are in place, and whether supplier security performance is monitored — is fully within the scope of process-focused audit work.
The non-IT auditor who approaches cybersecurity as a process and governance audit — not as a technical assessment — will find that most significant control weaknesses are visible without technical expertise. Avoiding the assignment entirely because of technical uncertainty leaves a significant risk area unexamined.
When Technical Expertise Is Needed
Some cybersecurity audit procedures genuinely require technical expertise — penetration testing, vulnerability assessment, network architecture review, and secure code review are examples. For these procedures, the right approach is to develop specialist capability internally, co-source with a qualified technical specialist for specific procedures, or scope the audit to exclude procedures requiring expertise the team does not have — while being transparent with the audit committee about the resulting assurance limitations. Using the lack of technical expertise as a reason to not audit cybersecurity at all is not an acceptable governance position when cybersecurity risk is material, which it is in virtually every organisation operating today.