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.
360 Advanced
US CPA and compliance assessment firm for SOC 1/2, ISO 27001, HITRUST, HIPAA, and PCI with hands-on mid-market delivery.
6clicks
Cyber GRC platform with a strong US presence for risk, compliance, and third-party assessments.
A-LIGN
High-volume multi-framework audit firm for SOC 2, ISO 27001, HITRUST, FedRAMP, CMMC, and PCI, with dual ANAB/UKAS ISO pathways.
AdaptiveGRC
Polish GRC software platform for integrated risk, compliance, audit, and information security management including ISO 27001 programs.
Advisera
Provider of ISO 27001 documentation, training, and consultancy services to help businesses achieve compliance.
AENOR
Leading Spanish certification body for ISO 27001, ENS (Spanish National Security Scheme), and multi-standard management systems.
Related Controls
Other controls in Technological Controls
Implementing A.8.5 for a client?
ISMS Copilot drafts policies, evidence, and SoA wording for A.8.5 Secure authentication. Built for compliance professionals.
Try ISMS Copilot free