SPIFFE / SPIRE
Workload identity standard: short-lived SVIDs replace shared service secrets
Pricing: Free (open source)
Reviewed by the CyberSecTool editorial team against the public sources cited below · Last reviewed April 2026 · How we review listings
What is SPIFFE / SPIRE?
SPIFFE (Secure Production Identity Framework For Everyone) is a CNCF-graduated open standard for workload identity, and SPIRE is the reference implementation. Instead of giving workloads shared secrets, SPIRE issues short-lived, cryptographically verifiable identities (SVIDs) to each service, using attestation (where is this workload running, what image, what namespace) to prove who it is. SPIFFE is the foundation for zero-trust service-to-service authentication at companies like Bloomberg, Uber, and Square.
- ✓ Eliminates shared secrets between services entirely
- ✓ Short-lived identities limit blast radius of any compromise
- ✓ Vendor-neutral standard; avoids lock-in to cloud provider IAM
- ✓ Strong adoption at hyperscale companies (Bloomberg, Uber, etc.)
- • Steep conceptual learning curve (trust domains, attestation)
- • Operational complexity to run SPIRE server and agents
- • Requires application integration (use the SPIFFE Workload API)
- • Not a drop-in for teams without existing microservice maturity
Reported in public reviews and vendor documentation. See sources below.
Key Features
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Sources & references
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Quick Info
| Pricing | Free (open source) |
| Model | Open Source |
| Founded | 2018 |
| Cloud | No |
| Self-Hosted | Yes |
| Open Source | Yes |
Last updated: Apr 23, 2026
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