Blog.

Hi, my name is Marco. Working as a Senior Software Architect at Philips. This blog is statically generated using Next.js.

I wrote my first blog March 2011. Mostly I'm writing on software development. In total I wrote 74 articles in 7 categories. Use search below to filter by title or click a category or tag to filter by tag or category.

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Cover Image for OCI as attestations storage for your packages

OCI as attestations storage for your packages

Marco Franssen

Marco Franssen /

In my previous blog you can read about securing the software supply chain for Docker images using GitHub actions and Sigstore. We have seen how we can sign our Docker images, as well how to generate an SBOM and build provenance. Using Sigstore/cosign we attached both the signature, SBOM and build provenance to the Docker image. Using Sigstore we get a real nice integration and developer experience to add these security features to our build pipelines for Docker images. In this blog I want to sh…

Cover Image for Secure your software supply chain using Sigstore and GitHub actions

Secure your software supply chain using Sigstore and GitHub actions

Marco Franssen

Marco Franssen /

With the rise of software supply chain attacks it becomes more important to secure our software supply chains. Many others have been writing about software supply chain attacks already, so I won't repeat that over here in this article. Assuming you found my article, because you want to know how to prevent them. In this blogpost I want to show you how to secure the software supply chain by applying some SLSA requirements in the GitHub actions workflow. We will utilize Sigstore to sign and attest…