The Shifting Landscape of Open Source Security

A forward-looking commentary on 2025 open-source software security, projecting increased OSS supply chain attacks (e.g., post–XZ Utils), expanding AI use by both defenders and attackers, and a global compliance push led by the EU Cyber Resilience Act (SBOM and standards). It recommends continuous monitoring, leveraging OpenSSF resources (SIREN, OSV) and tools (Scorecard, GUAC), and greater organizational support and due diligence to strengthen transparency, resilience, and secure development across the OSS ecosystem.