Developers are rapidly building features using a wide array of software tools, but a critical aspect of this process is the secure handling of "secrets," or digital authentication credentials, particularly in Continuous Integration/Continuous Deployment (CI/CD) environments. These secrets, such as API keys and tokens, can be inadvertently exposed due to human error, often through hardcoding in source code or neglecting proper version control practices. Unlike other vulnerabilities, detecting secrets requires scanning the entire codebase history, as they can remain hidden in commit histories even after deletion. GitGuardian offers a solution by providing real-time monitoring and secrets detection tools integrated into CI/CD workflows, such as CircleCI, to prevent and address these vulnerabilities efficiently. The tutorial emphasizes the importance of integrating secrets detection early in the developer workflow to avoid the complications of rotating leaked secrets, which can disrupt workflows and cause system failures. GitGuardian's tools enable comprehensive scanning and collaboration among teams to remediate detected secrets, fostering a culture of shared responsibility for code security.