A.5.5 Contact with authorities | ISO 27001 Control

Purpose

To maintain appropriate communication channels with relevant authorities for security incident reporting and regulatory compliance.

Implementation Guidance

Identify relevant authorities such as law enforcement, regulators, and CERTs

Maintain up-to-date contact information for all relevant authorities

Establish procedures for when and how to contact authorities

Participate in security forums and information sharing communities

Document all communications with authorities for compliance purposes

Recommended Tools

Notion

All-in-one workspace for documentation, policies, and knowledge management. Perfect for startups to manage all ISO 27001 documentation.

Confluence

Enterprise-grade documentation and collaboration platform by Atlassian. Integrates well with Jira for larger organizations.

Google Docs

Simple document collaboration tool that most teams already use. Good for basic policy management.

ISO 27001 Services from the Directory

These providers can help you implement A.5.5 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.