DevTech Deep Dive

GCP Zero-Trust Data Plane with Identity Federation

GCP Zero-Trust Data Plane with Identity Federation

Key Questions

How does GKE Binary Authorization support zero-trust deployments?

GKE Binary Authorization uses Terraform and Cloud Build to create an SBOM-to-attestation pipeline with three-tier progression and MTTP metrics. It enforces policy checks on container images for secure operations.

What role do ephemeral WIF tokens play in GCP identity federation?

Ephemeral WIF tokens enable secure access for Spark, Kafka, Docker, and Java workloads across Okta-AWS SSO setups. They support cross-cloud pipelines with Azure and AWS while maintaining zero-trust principles.

What does the Security as Code series cover for GKE Binary Authorization?

Part 3 of the series details operational DevSecOps practices using Terraform for policy enforcement. It focuses on integrating attestations and metrics to automate security in GKE environments.

Ephemeral WIF tokens Spark/Kafka/Docker/Java; Okta-AWS SSO. Cross-cloud with Azure/AWS pipelines. New: GKE Binary Authorization tutorial with Terraform/Cloud Build for SBOM-to-attestation pipeline (3-tier progression, MTTP metric).

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Updated Jun 8, 2026