Purpose
To ensure authorized user access and prevent unauthorized access to systems and services.
Implementation Guidance
Implement formal access request and approval processes
Conduct regular access reviews (at least annually)
Remove access immediately upon role change or termination
Document all access rights and changes
Implement automated workflows for access provisioning where possible
Recommended Tools
Google Workspace
Complete suite including email, calendar, and SSO capabilities. Ideal for startups already using Gmail.
Microsoft 365
Enterprise productivity suite with strong security features and Azure AD integration.
Okta
Enterprise identity and access management platform providing SSO, MFA, and lifecycle management for secure authentication.
JumpCloud
ISO 27001 Services from the Directory
These providers can help you implement A.5.18 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
