SPIFFE

Secure Production Identity Framework for Everyone

SPIFFE (Secure Production Identity Framework for Everyone) is an open standard for machine identity in dynamic infrastructure — providing workloads with cryptographic identities (SVIDs) that enable mutual authentication without long-lived secrets.

⚙️ How Does It Work?

SPIRE (SPIFFE Runtime Environment) issues X.509 SVIDs or JWT-SVIDs to workloads based on their platform attestation. Workloads use these short-lived certificates for mTLS authentication — no API keys or passwords required.

📍 Where Is It Used?

Cloud-native environments, Kubernetes clusters, microservices architectures, multi-cloud deployments where workloads need to authenticate to each other without hardcoded credentials.

💡 Real-World Example

A company running 500 microservices across AWS and GCP uses SPIFFE/SPIRE for workload identity. Each pod receives a short-lived X.509 SVID automatically. Service-to-service calls use mTLS authenticated by SVIDs — eliminating all service account passwords from the cloud environment.

🔗 Related Terms

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