A.5.35 Independent review of information security | ISO 27001 Control

Purpose

To provide assurance that information security practices are effective and aligned with organizational needs.

Implementation Guidance

Conduct regular internal audits of information security

Engage external auditors for independent assessment

Review audit findings and implement corrective actions

Track audit issues to resolution

Ensure auditors have appropriate independence and competence

Note: ISMS Directory lists external audit firms that provide independent internal/external audits

Recommended Tools

Tempo Audits

Independent external auditing firm providing ISO 27001 certification audits and compliance assessments.

Mastermind Assurance

External audit and assurance services for ISO 27001 certification and independent security reviews.

ISMS Directory

Directory of ISO 27001 services including compliance platforms, internal auditors, and external auditors.

ISO 27001 Services from the Directory

These providers can help you implement A.5.35 and achieve ISO 27001 certification.

Advisera

Provider of ISO 27001 documentation, training, and consultancy services to help businesses achieve compliance.

Anecdotes

Enterprise agentic GRC platform with 230+ integrations and 40+ pre-mapped frameworks for Fortune 500 compliance programs.

Arrow Cyber Advisors

Arrow Cyber Advisors enables organizations to build measurable cybersecurity maturity and resilience. We specialize in governance, risk and compliance advisory, providing clear security direction, maturity benchmarking, and execution support tailored to regulated and high-risk environments.