Software is integral to nearly every aspect of modern life, with open source being a fundamental component, as 99% of all software projects utilize it. However, the rise in open source creation and consumption brings challenges, particularly in security, as identifying and fixing vulnerabilities is often a fragmented and inefficient process. GitHub aims to streamline this by enhancing security workflows and introducing tools like security advisories and Semmle's code analysis engine, QL, which helps researchers identify vulnerabilities more effectively. The company has also become a CVE Numbering Authority, allowing it to issue CVEs for security advisories, thereby promoting broader awareness. Developers play a crucial role in maintaining security by updating dependencies, a task GitHub facilitates with tools like Dependabot for automatic security fixes. GitHub's commitment to enhancing security extends to providing dependency insights for enterprises and token scanning for secret management. The overarching goal is to build a global platform for secure developer collaboration, addressing the need for comprehensive security solutions in the open source ecosystem.