~/talk

Standardizing Authentication Flows in Keycloak Environments – Efficient Authorization S...

Talkat KeycloakCon Japan 2025 · on Friday, 2025-06-13· [security]
name:Yuta Kato
links:none on file
slides:none on file

Standardizes authentication into four auth levels (ID/password, OTP, client cert, location) and consolidates flows for 100+ clients, replacing per-client logic with a Keycloak Authenticator SPI that delegates authorization to OPA policy as code. Policies live in Git, deploy via CI/CD, and allow permanent rules plus temporary exceptions (for example date- or region-limited access). Result is clear authN/authZ separation, faster policy updates without touching Keycloak, fewer knowledge silos, and lower maintenance overhead.

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