Learn about securing open source software in the telecommunications industry through this conference presentation from Ericsson experts. Explore the collaborative approach to securing the vast open source software ecosystem, with a focus on the Open Source Security Foundation (OpenSSF) initiative. Discover practical experiences implementing OpenSSF best practices and tools, including the Scorecard tool's role in improving project security. Follow the journey of obtaining the OpenSSF Best Practices Gold Badge for the ONAP CPS project, understanding both the implementation process and challenges faced. Gain valuable insights into how the telco open source community can effectively secure critical projects through collaborative efforts between software creators and users.