Information access restriction

Access to information and other associated assets should be restricted in accordance with the established topic-specific policy on access control.

Purpose

To ensure authorized access and prevent unauthorized access to information.

Implementation Guidance

Implement role-based access control

Apply principle of least privilege

Use access control lists (ACLs)

Implement data loss prevention (DLP) where appropriate

Review access permissions regularly

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

Cloud directory platform combining SSO, MDM, and user management. Great all-in-one solution for startups.

ISO 27001 Services from the Directory

These providers can help you implement A.8.3 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.

AuditBoard

Enterprise connected risk platform trusted by over 50% of the Fortune 500 for audit, risk, and compliance management.

Auro Security

Most modern product teams, including SaaS, FinTech and cloud-native startups are moving fast, building with AI, and operating in an environment where enterprise buyers, regulators, and investors expect real security. Auro Security exists to help those teams get there. Operating across India and the Middle East, we work with founders, CTOs, and compliance leads to build security programs that hold up under scrutiny, not just on paper. What We Do We offer a focused suite of cybersecurity services: - SOC 2 and ISO 27001 Compliance: End-to-end audit readiness, gap assessments, policy creation, evidence collection support, and continuous monitoring. - VAPT (Vulnerability Assessment and Penetration Testing): Deep technical testing for web apps, mobile apps, APIs, cloud infrastructure, and networks to uncover risks before attackers do. - vCISO Services: Fractional cybersecurity leadership to help you build a security roadmap, manage risk, and meet enterprise expectations as you scale. Who We Serve We primarily work with: SaaS companies and cloud-native startups, FinTech and payments platforms, early-stage teams preparing for enterprise sales or compliance audits.

View all ISO 27001 services