CI/CD security: threat modeling using a MITRE-style threat matrix

SCM and CI/CD pipelines are crucial in automating software delivery, yet they are vulnerable to attacks that can exploit these systems to gain unauthorized access, manipulate code, and deploy malicious software. The blog series leverages a threat matrix, adapted from the MITRE ATT&CK framework, to identify and map potential attack pathways specific to CI/CD systems, providing a structured approach to threat modeling. The series emphasizes the importance of integrating security practices and tools into CI/CD pipelines, focusing on securing the trust boundaries of SCM tools like GitHub, GitLab, and Bitbucket, as well as CI/CD tools such as Jenkins and GitHub Actions. It highlights how attackers can exploit vulnerabilities through compromised credentials and permissive access policies, leading to supply chain attacks. The blog offers guidance on detecting these threats using a CI/CD-specific threat matrix and outlines steps to secure environments, with a particular focus on GitHub, encouraging readers to employ proactive detection and response measures to safeguard their software delivery pipelines.