Secure authentication
Secure authentication technologies and procedures should be implemented based on information access restrictions and the topic-specific policy on access control.
Purpose
To ensure the authenticity of users and protect against unauthorized access.
Implementation Guidance
Implement multi-factor authentication (MFA)
Use strong password policies
Implement adaptive authentication based on risk
Use modern authentication protocols (OAuth, SAML)
Monitor authentication attempts and failures
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.
Auth0
Developer-friendly authentication and authorization platform. Excellent for custom applications.
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.8.5 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.

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.

Bitsecura
*** Helping Businesses Achieve Compliance & Certification Success *** Bitsecura is a IT governance, risk, and compliance (GRC) firm specialising in helping organisations protect their critical assets, navigate complex regulatory landscapes, and build sustainable cybersecurity frameworks. With over 20 years of industry experience, we offer strategic guidance, bespoke solutions, and operational support that align seamlessly with your business objectives. Our commitment to practical innovation and long-term partnerships ensures that working with Bitsecura not only strengthens your current security posture, but also builds a lasting foundation for future resilience.
Related Controls
Other controls in Technological Controls
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