Independent review of information security
The organization's approach to managing information security and its implementation including people, processes and technologies should be reviewed independently at planned intervals, or when significant changes occur.
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.
360 Advanced
US CPA and compliance assessment firm for SOC 1/2, ISO 27001, HITRUST, HIPAA, and PCI with hands-on mid-market delivery.
6clicks
Cyber GRC platform with a strong US presence for risk, compliance, and third-party assessments.
A-LIGN
High-volume multi-framework audit firm for SOC 2, ISO 27001, HITRUST, FedRAMP, CMMC, and PCI, with dual ANAB/UKAS ISO pathways.
AdaptiveGRC
Polish GRC software platform for integrated risk, compliance, audit, and information security management including ISO 27001 programs.
Advisera
Provider of ISO 27001 documentation, training, and consultancy services to help businesses achieve compliance.
AENOR
Leading Spanish certification body for ISO 27001, ENS (Spanish National Security Scheme), and multi-standard management systems.
Related Controls
Other controls in Organizational Controls
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