Identity-Centric Zero Trust
Identity forms the foundation of zero trust architecture. This guide examines how to build robust zero trust security centered on strong identity verification and access controls.
Identity as the New Perimeter
Traditional perimeter security assumed trusted insiders and untrusted outsiders. Zero trust recognizes identity as the true security boundary, requiring verification regardless of network location.
Multi-Factor Authentication
MFA provides essential identity verification. Implement phishing-resistant MFA using FIDO2, hardware tokens, or certificate-based authentication. Avoid SMS-based MFA due to security weaknesses.
- FIDO2/WebAuthn for phishing resistance
- Hardware security keys
- Certificate-based authentication
- Risk-based MFA enforcement
- Passwordless authentication options
Conditional Access Policies
Conditional access enforces access controls based on user, device, location, and risk factors. Implement policies requiring additional verification for sensitive applications, unusual locations, or risky behaviors.
Continuous Verification
Zero trust requires ongoing identity verification throughout user sessions. Monitor user behavior, device posture, and access patterns for anomalies. Re-authenticate users when risk levels change.
Conclusion
Identity-centric zero trust provides strong security in modern environments. Implement phishing-resistant MFA, conditional access policies, and continuous verification to build robust identity-based security.
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