Open source is the foundation of modern software development. In fact, over 90% of enterprise software today contains open source code. But with increased adoption comes increased risk—from vulnerable dependencies to malicious actors targeting the software supply chain.

Securing open source is no longer just a developer concern—it’s a business imperative.

In this guide, you’ll learn how GitHub is leading the way in open source security by providing built-in tools, data, and best practices for identifying and resolving vulnerabilities early. You’ll also discover how businesses like yours can use GitHub to strengthen application security, improve code quality, and shift security left—without slowing down development.

We’ll cover key practices and technologies that help:

• Detect and fix vulnerabilities automatically with Dependabot

• Get real-time security alerts powered by the GitHub Advisory Database

• Prevent credential leaks with token scanning

• Gain visibility into software health with dependency and activity insights

• Stay compliant while collaborating securely across teams and open source

Whether you're managing public projects, private repositories, or enterprise-scale codebases, this whitepaper will help you understand how to reduce risk, protect your users, and build more secure software—starting today.