DevSecOps is an extension of DevOps that integrates security practices directly into the software development lifecycle, ensuring that security is considered from the beginning rather than added at the end. While it is technically possible to introduce some DevSecOps practices without fully adopting DevOps, the DevSecOps model works most effectively when DevOps principles such as automation, continuous integration and delivery, and strong collaboration between development and operations teams are already in place. DevSecOps encourages close cooperation between development, operations, and security teams to automate security checks within CI/CD pipelines and infrastructure processes. Organizations commonly use tools such as SonarQube for code analysis, OWASP ZAP for vulnerability scanning, Docker for containerized applications, HashiCorp Vault for protecting sensitive credentials, and cloud security services from Amazon Web Services, Microsoft Azure, and Google Cloud. By embedding automated security testing, secrets management, and vulnerability monitoring into the development pipeline, organizations can maintain strong security standards while still delivering software quickly and efficiently.