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Explore how to implement secure service-to-service authentication at scale using Keycloak's token exchange mechanism in this 16-minute conference talk. Address common authentication challenges in microservices architectures, including the misuse of frontend tokens by backend services, scattered API key management, and the absence of standardized authentication approaches across distributed systems. Discover how Keycloak's token exchange provides a streamlined solution by enabling secure service communication without exposing user tokens, facilitating dynamic API access without static credential management, and supporting fine-grained token permissions for least-privilege access enforcement. Gain practical implementation insights through real-world API examples and learn industry best practices for scaling authentication infrastructure while maintaining security posture across complex platform environments.
