ISO/IEC 27034 Lead Application Security Auditor study guide
ISO/IEC 27034 Lead Application Security Auditor · Work through your exam, one topic at a time.
The ISO/IEC 27034 Lead Application Security Auditor credential is a professional certification for practitioners who audit application security management systems against the ISO/IEC 27034 series. It targets lead auditors, application security managers, software assurance consultants, and information security professionals who plan, conduct, report, and follow up audits of application security controls across the software lifecycle. The ISO/IEC 27034 Lead Application Security Auditor study guide has 5 sections and about 1,573 words.
01ISO/IEC 27034 Fundamentals and Application Security Concepts
This domain tests precise use of ISO/IEC 27034 vocabulary and how the parts fit together. Auditors must distinguish the organization's normative framework from an individual application's controls and know what evidence each concept produces.
380 words, about 2 min02Planning Application Security Audits Based on ISO/IEC 27034
This domain tests how to turn 27034 concepts into an audit plan: scope, criteria, sampling, evidence requests and team resourcing. Define scope by the ONF's applicability and the ASLC stages in play, then list applications, business units, suppliers and environments.
327 words, about 2 min03Conducting Application Security Audits
This domain tests whether you can follow 27034's traceability chain during fieldwork: from application security risk to selected ASCs, through implementation, to validation evidence. For each sampled application, trace: risk assessment → ASC selection → design and build artifacts → verification evidence → validation conclusion.
278 words, about 1 min04Managing Audit Findings, Nonconformities and Corrective Actions
This domain tests whether you can turn audit evidence into defensible findings and drive corrective action to verified closure. A finding needs three elements: criteria (the ONF or ASC requirement), evidence (what was observed and where) and conclusion (nonconformity, observation or opportunity for improvement).
276 words, about 1 min05Leading Audit Teams and Maintaining Auditor Competence
This domain tests the lead auditor's responsibility for team competence, independence, ethical conduct and continuing development. Derive competence needs from the audit scope: application architecture, cloud and container platforms, CI/CD pipelines, cryptography, sector regulation and audit method.
312 words, about 2 min