Explore the intersection of free and open source software security and scalability in this keynote presentation delivered by a security expert from the German Federal Office for Information Security. Discover how FOSS security challenges can be addressed at scale, examining the unique considerations and solutions needed when implementing security measures across large-scale open source software ecosystems. Learn from insights shared by a government cybersecurity professional about the strategic approaches to securing free and open source software infrastructure, understanding the balance between accessibility, security, and scalability in modern software development environments.