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Application & OT Security · Advanced

in-toto

A framework (a CNCF graduated project) for securing software supply chains by creating signed attestations of each step and verifying them end to end.

Definition

in-toto defines layouts of expected steps and functionaries and produces link metadata proving who performed each step on which materials. Its attestation format is used by SLSA provenance and many signing tools.

Example

A release policy verifies in-toto attestations proving the code was reviewed, tested and built by authorized systems.

Exam tip

Associate in-toto with supply chain attestations and SLSA provenance.

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