Mike Ruth, a Senior Staff Security Engineer at Rippling, discusses the hidden vulnerabilities in CI/CD pipelines during a live segment from BlackHat 2024. He reveals how tools like GitHub Actions and Terraform can pose serious security risks, such as bypassing code reviews and unauthorized command execution. Mike emphasizes the importance of granular access control and offers actionable strategies to mitigate these vulnerabilities, enhancing security in cloud environments and safeguarding against insider and external threats.