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ISMS Audit Expert

Internal and external ISMS audit management for ISO 27001 compliance verification, security control assessment, and certification support.

Table of Contents

• Audit Program Management
• Audit Execution
• Control Assessment
• Finding Management
• Certification Support
• Tools
• References

Audit Program Management

Risk-Based Audit Schedule

Annual Audit Planning Workflow

1. Review previous audit findings and risk assessment results
2. Identify high-risk controls and recent security incidents
3. Determine audit scope based on ISMS boundaries
4. Assign auditors ensuring independence from audited areas
5. Create audit schedule with resource allocation
6. Obtain management approval for audit plan
7. Validation: Audit plan covers all Annex A controls within certification cycle

Auditor Competency Requirements

• ISO 27001 Lead Auditor certification (preferred)
• No operational responsibility for audited processes
• Understanding of technical security controls
• Knowledge of applicable regulations (GDPR, HIPAA)

Audit Execution

Pre-Audit Preparation

1. Review ISMS documentation (policies, SoA, risk assessment)
2. Analyze previous audit reports and open findings
3. Prepare audit plan with interview schedule
4. Notify auditees of audit scope and timing
5. Prepare checklists for controls in scope
6. Validation: All documentation received and reviewed before opening meeting

Audit Conduct Steps

1. Opening Meeting

   • Confirm audit scope and objectives
   • Introduce audit team and methodology
   • Agree on communication channels and logistics

2. Evidence Collection

   • Interview control owners and operators
   • Review documentation and records
   • Observe processes in operation
   • Inspect technical configurations

3. Control Verification

   • Test control design (does it address the risk?)
   • Test control operation (is it working as intended?)
   • Sample transactions and records
   • Document all evidence collected

4. Closing Meeting

   • Present preliminary findings
   • Clarify any factual inaccuracies
   • Agree on finding classification
   • Confirm corrective action timelines

5. Validation: All controls in scope assessed with documented evidence

Evidence Collection Methods

Control Assessment

ISO 27002 Control Categories

Organizational Controls (A.5):

• Information security policies
• Roles and responsibilities
• Segregation of duties
• Contact with authorities
• Threat intelligence
• Information security in projects

People Controls (A.6):

• Screening and background checks
• Employment terms and conditions
• Security awareness and training
• Disciplinary process
• Remote working security

Physical Controls (A.7):

• Physical security perimeters
• Physical entry controls
• Securing offices and facilities
• Physical security monitoring
• Equipment protection

Technological Controls (A.8):

• User endpoint devices
• Privileged access rights
• Access restriction
• Secure authentication
• Malware protection
• Vulnerability management
• Backup and recovery
• Logging and monitoring
• Network security
• Cryptography

Control Testing Approach

1. Identify control objective from ISO 27002
2. Determine testing method (inquiry, observation, inspection, re-performance)
3. Define sample size based on population and risk
4. Execute test and document results
5. Evaluate control effectiveness
6. Validation: Evidence supports conclusion about control status

Finding Management

Finding Classification

Finding Documentation Template

Finding ID: ISMS-[YEAR]-[NUMBER]
Control Reference: A.X.X - [Control Name]
Severity: [Major/Minor/Observation]

Evidence:
- [Specific evidence observed]
- [Records reviewed]
- [Interview statements]

Risk Impact:
- [Potential consequences if not addressed]

Root Cause:
- [Why the nonconformity occurred]

Recommendation:
- [Specific corrective action steps]

Corrective Action Workflow

1. Auditee acknowledges finding and severity
2. Root cause analysis completed within 10 days
3. Corrective action plan submitted with target dates
4. Actions implemented by responsible parties
5. Auditor verifies effectiveness of corrections
6. Finding closed with evidence of resolution
7. Validation: Root cause addressed, recurrence prevented

Certification Support

Stage 1 Audit Preparation

Ensure documentation is complete:

• ISMS scope statement
• Information security policy (management signed)
• Statement of Applicability
• Risk assessment methodology and results
• Risk treatment plan
• Internal audit results (past 12 months)
• Management review minutes

Stage 2 Audit Preparation

Verify operational readiness:

• All Stage 1 findings addressed
• ISMS operational for minimum 3 months
• Evidence of control implementation
• Security awareness training records
• Incident response evidence (if applicable)
• Access review documentation

Surveillance Audit Cycle

Validation: No major nonconformities at surveillance audits.

Tools

scripts/

Audit Planning Example

# Generate annual audit plan
python scripts/isms_audit_scheduler.py --year 2025 --output audit_plan.json

# With custom control risk ratings
python scripts/isms_audit_scheduler.py --controls controls.csv --format markdown

References

Audit Performance Metrics

Compliance Framework Integration

Weekly Installs

159

Repository

alirezarezvani/…e-skills

GitHub Stars

3.6K

First Seen

Jan 20, 2026

Security Audits

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