Guest blog opportunities are open to members, with limited exceptions for active contributors and thought leaders. Share your insights on open source security with our community.
OpenSSF Blog
Jun 16, 2025 |
In Blog
Tech Talk Recap | CRA-Ready: How Open Source Projects Can Prepare for the EU Cyber Resilience Act
The EU Cyber Resilience Act (CRA) is reshaping the landscape for open source software. Whether you're a maintainer, contributor, or vendor, the CRA introduces new expectations—and new responsibilities. To help the community navigate these changes, the Open Source Security Foundation (OpenSSF) recently hosted a Tech Talk: CRA-Ready: How to Prepare… Read more.
Jun 13, 2025 |
Case Study: OSTIF Improves Security Posture of Critical Open Source Projects Through OpenSSF Membership
Organization: Open Source Technology Improvement Fund, Inc. (OSTIF) Contributor: Amir Montazery, Managing Director Website: ostif.org Problem Critical open source software (OSS) projects—especially those that are long-standing and widely adopted—often lack the resources and systematic support needed to regularly review and improve their security posture. Many of these projects are maintained… Read more.
Jun 12, 2025 |
GUAC 1.0 is Now Available
The GUAC project is proud to announce the release of GUAC 1.0. GUAC — which stands for “Graph for Understanding Artifact Composition” is an OpenSSF incubating project that brings understanding and insights to the software supply chain. Started by Kusari, Google, and Purdue University, GUAC has contributions from over 400… Read more.
Jun 11, 2025 |
Maintainers’ Guide: Securing CI/CD Pipelines After the tj-actions and reviewdog Supply Chain Attacks
CI/CD pipelines are increasingly becoming high-value targets for attackers. With access to secrets, source code, and infrastructure, they offer a direct route to supply chain compromise. The recent breaches involving tj-actions/changed-files and reviewdog/action-setup are not just isolated events, they are harbingers of a new generation of CI/CD-targeted supply chain attacks. Read more.
Jun 6, 2025 |
From Sandbox to Incubating: gittuf’s Next Step in Open Source Security
We’re pleased to share that gittuf, a platform-agnostic Git security framework, has officially progressed to the Incubating Project stage under the Open Source Security Foundation (OpenSSF). This marks a major milestone in gittuf’s development and recognizes the project’s technical progress, community growth, and alignment with the broader mission of strengthening… Read more.
Jun 5, 2025 |
Choosing an SBOM Generation Tool
Software Bills of Materials (SBOMs) are the foundational piece of understanding your software supply chain. By listing the components that go into your application, SBOMs give you a starting point for understanding risks — including vulnerabilities, license issues, and other supply chain risks. But how do you create those SBOMs? Read more.
Jun 2, 2025 |
OSS and the CRA: am I a Manufacturer or a Steward?
The European Union’s Cyber Resilience Act (CRA) is a piece of legislation that covers all countries within the EU and the EEA and entered into force on 10th December 2024. It covers many types of devices and applications that are either sold or otherwise made commercially available on the European… Read more.
May 30, 2025 |
In Blog
Member Spotlight: Trail of Bits – Driving Open Source Security Through Standards, Prototypes, and Policy
Trail of Bits is a leading cybersecurity research, engineering, and consulting firm that works with some of the most security-conscious organizations in the world—including Facebook, government agencies like DARPA, and prominent cryptocurrency protocols. Founded in 2012, each part of the company focused on open sourcing their work- tools,research, and audits… Read more.
May 21, 2025 |
In Blog
Call for Proposals Now Open for Open Source SecurityCon 2025
We’re thrilled to announce that the Call for Proposals is now open for Open Source SecurityCon, a brand new event hosted by OpenSSF and CNCF, taking place on November 10, 2025, in Atlanta, Georgia. Read more.
May 15, 2025 |
Case Study: Ericsson’s C/C++ Compiler Options Hardening Guide and OpenSSF Collaboration
Ericsson, a global leader in telecommunications and networking, has been deeply engaged in open source and software security for over a decade. Through its Open Source Program Office (OSPO), Ericsson coordinates its participation across multiple foundations and initiatives, including the Open Source Security Foundation (OpenSSF). This case study highlights Ericsson's… Read more.