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security

SLSA

Supply Chain Levels for Software Artifacts

Definition

SLSA is a security framework that defines four progressive levels of supply chain integrity, from basic build provenance (Level 1) to hermetic, reproducible builds with verified provenance (Level 4). Achieving a given SLSA level provides assurance that artifacts were not tampered with between source code and deployment.

SLSA provenance attestations are machine-verifiable and can be enforced in deployment pipelines.


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