DevSecOps is a way of building software that folds security directly into the DevOps pipeline, so controls and testing run continuously instead of waiting at a final gate before release. The name joins development, security, and operations into one flow.
In practice it means shifting security left, catching problems early, by wiring automated checks into the CI/CD pipeline: static analysis on new code, dependency scanning for known vulnerabilities, and dynamic testing against running builds. When a commit fails a check, the developer hears about it in minutes rather than weeks later in a penetration test. The part teams underestimate is culture. Tools alone do little if security stays someone else’s job, and dumping a flood of unranked findings on developers just breeds alert fatigue until people start ignoring the warnings. Prioritized, actionable results are what make the model stick.
How is DevSecOps tested on the CISSP?
DevSecOps maps to Domain 8, Software Development Security, which is 10 percent of the exam and covers security in the development lifecycle. Expect it framed as integrating security throughout development rather than testing at the end, and be ready to recognize automation and shift-left thinking as the core ideas.