Kusari celebrates the past, present, and future of the Open Source Security Foundation.
August 6, 2025
Monday marked the fifth anniversary of the Open Source Security Foundation (OpenSSF). OpenSSF is the part of the Linux Foundation dedicated to improving tooling, practices, standards, and education for security in the open source ecosystem. At Kusari, we’re proud to have been involved in OpenSSF since our founding.
At Kusari, our commitment to open source goes beyond usage. We contribute time, energy, and engineering talent because we believe in the mission, and we understand that a strong open source ecosystem is critical to our own success and the success of the broader software industry.
Securing open source is an important part of Kusari. Our founders and employees have a long history of leadership and active participation in OpenSSF projects and other open source communities — both on behalf of Kusari and individually. We are far more active than one might expect relative to our size. Kusari employees sit on the OpenSSF’s Governing Board & Technical Advisory Council, lead the Open Source Project Security Baseline SIG, maintain the in-toto-attestation & in-toto-golang projects, and sit on the steering committees for the SLSA Framework & OpenSSF Scorecard. And, of course, we co-created the GUAC project, which we contributed to OpenSSF in 2024.
Like most modern software companies, Kusari builds on a foundation of open source. But unlike many, we go deeper — we actively shape the projects we depend on. Here’s why.
We depend on open source to deliver value to our customers. Ensuring the long-term health and security of those dependencies is not charity—it’s strategic. A vibrant, sustainable open source ecosystem means more secure, more resilient products for everyone, including us.
Through initiatives like OpenSSF and projects like GUAC and SPDX, we’re able to collaborate with global experts to define best practices, tooling standards, and policy frameworks that will define software supply chain security for the next decade.
Participating in OpenSSF presents:
Plus, open source projects are a great learning lab. We gain new skills and also learn about new technologies and use cases that are important to developers & security practitioners. Lessons we learned building GUAC helped shape Kusari Platform. Participating in new projects has helped our staff learn new programming languages and developer tools.
With the European Union’s Cyber Resilience Act (CRA) and other industry regulations coming into force, the software industry is going to have to work harder to secure software supply chains. This is good for consumers, of course, but it can be a challenge for manufacturers. OpenSSF’s work to produce training content for developers, plus standards & tooling for project maintainers to improve their security posture, are a critical part of getting the industry ready.
We congratulate the OpenSSF on its fifth birthday and look forward to working with OpenSSF staff and contributors for the next five years — and many more beyond that!
If you’ll be in Amsterdam later this month for Open Source Summit & OpenSSF Community Day Europe, please join us for the following sessions:
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