Security Issues in Automated Testing Infrastructure

This article is devoted to identifying and analyzing key security challenges in the infrastructure of automated testing (IAT) under the widespread adoption of DevOps practices and continuous integration. The objective of the study is to systematize the primary threat vectors, correlate them with real incidents of CI/CD supply-chain compromise, and propose an integrated set of normative and technical measures to enhance process maturity. The relevance of this work is determined by the exponential rise in malicious OSS packages, secret leaks, and critical vulnerabilities in CI tools, which renders the IAT the final line of defense before code reaches production. The novelty of the research lies in its comprehensive approach: quantitative analysis of industry reports and detailed case studies of three major incidents (the XZ Utils backdoor, the attack on the GitHub Action tj-actions/changed-files, and multiple CVEs in Jenkins) are complemented by normative mapping to SSDF v1.1 requirements, SLSA Level 3 maturity levels, and NIST CSF 2.0 functions, as well as the author’s expertise in implementing security hooks and a modular test-automation platform. Key takeaways show that standalone defenses fall short. What is needed is an integrated security approach built upon a common grid of control points—from runner isolation and cryptographic immutability of artifacts to continuous monitoring and auditing. Real-world execution of the suggested remedies resulted in a major decrease in incident count, better build stability, and quicker threat response. This paper will serve the needs of DevSecOps practitioners, testautomation engineers, and project managers who want to create a strong and auditable software supply chain.