🎉 The 2025 OpenSSF Annual Report Has ArrivedDiscover the milestones, community momentum, and ecosystem-wide wins

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The Open Source Security Foundation (OpenSSF) is a community of software developers, security engineers, and more who are working together to secure open source software for the greater public good.

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Take free courses on secure coding practices as part of our certificate program.

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Read the Latest Reports From OpenSSF

OpenSSF Annual Report

2025 Annual Report

Secure Open Source Software Vision Brief 2025

Improving Risk Management Decisions with SBOM Data

Practical Guide for Building Robust AI/ML Pipeline Security

Practical Guide for Building Robust AI/ML Pipeline Security

Recent Blog Posts

BlogGuest BlogDetecting Malicious Packages using the OSV API
May 20, 2026

Detecting Malicious Packages using the OSV API

By Nigel Douglas By now a bunch of people in the OpenSSF community might already be aware of the Malicious Packages repository, but are you using it as part of…
BlogEU Cyber Resilience ActGlobal Cyber PolicyTaking Stock of the State of European Cyber Resilience Act (CRA) Compliance: An Urgent Wake-up Call for the Open Source Ecosystem
May 18, 2026

Taking Stock of the State of European Cyber Resilience Act (CRA) Compliance: An Urgent Wake-up Call for the Open Source Ecosystem

By Christopher (CRob) Robinson, OpenSSF For the better part of two years, discussions surrounding the European Cyber Resilience Act (CRA) have been somewhat theoretical: mapping requirements, debating definitions, and analyzing…
BlogGuest BlogSecure Coding Guide for Python (pyscg) First Release
May 12, 2026

Secure Coding Guide for Python (pyscg) First Release

New developers require a single, framework-independent resource to establish a baseline in secure coding practices. Python is one of the most widely adopted programming languages in the world, powering everything…

Open source software is pervasive in data centers, consumer devices, and applications. Securing open source software requires fostering collaboration, establishing best practices, and developing innovative solutions.

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