Purpose
To ensure that information receives an appropriate level of protection in accordance with its importance to the organization.
Implementation Guidance
Define classification levels (e.g., Public, Internal, Confidential, Restricted)
Create classification criteria based on CIA requirements
Define handling requirements for each classification level
Train personnel on classification and handling requirements
Review classifications regularly as information sensitivity changes
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.5.12 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.

Atoro
Atoro offers specialized ISO 27001 certification services for SaaS companies, simplifying compliance with expert tools.
Related Controls
Other controls in Organizational Controls


