Why it matters

Zero trust is modern security paradigm. Understanding shapes access design.

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The architecture

Verify identity: strong auth for every request.

Verify device: healthy + compliant.

Verify context: location, time, resource sensitivity.

Zero trust verificationIdentitystrong authDeviceposture checkContextrisk-basedBeyond VPN: BeyondCorp (Google), IAP (GCP), CloudFront + Cognito (AWS)
Zero trust pillars.
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How it works end to end

Google BeyondCorp: original zero trust implementation.

Cloud IAP (GCP): identity-aware proxy.

AWS Verified Access: similar concept.

Micro-segmentation: least-privilege network.

Continuous verification: session-level checks.