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+---
+title:      "Sigstore"
+ring:       trial
+quadrant:   platforms-and-aoe-services
+tags:       [devops, security]
+---
+
+[Sigstore](https://www.sigstore.dev) is a project by The Linux Foundation® aimed at developing a standard
+for signing and verifying container images.
+
+Although its primary benefit is signing and verifying public images, it can also be used for internal images.
+Its central tool, `cosign`, allows the signing of container artifacts using a private key within a CI pipeline.
+This enables us to track which job built a specific image and identify the associated code base. Furthermore,
+it prevents any malicious entity from tampering with an image or building an image from an unknown source
+outside the CI pipeline.
+
+With support and funding from The Linux Foundation, as well as its relatively low integration effort, we believe
+this project has the potential to become the standard for signing container images in Open Source projects.
+[Kubernetes has already begun signing their release artifacts](https://github.com/kubernetes/enhancements/issues/3031)
+with cosign, and we anticipate that other entities will also adopt it. Therefore, in the future, this ecosystem
+could serve as a reliable means of verifying the authenticity of public images.