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BA 16 – DevSecOps Fundamentals

DevSecOps, a fusion of Development (Dev), Security (Sec), and Operations (Ops), represents a cultural shift towards integrating security practices into the DevOps process. Traditionally, security was often treated as an afterthought, addressed only towards the end of the development lifecycle. However, DevSecOps emphasizes embedding security into every stage of the software development lifecycle (SDLC), from planning and coding to testing and deployment, promoting a proactive approach to security rather than a reactive one.

One of the key principles of DevSecOps is shifting security left, which means integrating security checks and measures earlier in the development process. By implementing security controls and automation from the outset, teams can identify and mitigate security vulnerabilities and compliance issues early on, reducing the likelihood of security incidents later in the life cycle.

To achieve the goals of DevSecOps, various tools and technologies are utilized across different stages of the SDLC. In the planning phase, tools like threat modeling software help identify potential security threats and risks associated with the application design. During coding and development, static code analysis tools scan source code for security vulnerabilities and coding errors in real-time, providing developers with immediate feedback to address issues before they are committed to the codebase.

As development progresses, dynamic application security testing (DAST) tools simulate real-world attacks to identify vulnerabilities in running applications. Continuous integration and continuous deployment (CI/CD) pipelines (e.g Azure DevOps) are integrated with security testing tools to automate security checks and enforce security policies as part of the deployment process.

Furthermore, container security tools ensure the security of containerized applications by scanning container images for vulnerabilities and enforcing security policies at runtime. Infrastructure as code (IaC) frameworks and tools enable the definition and deployment of infrastructure resources using code, allowing teams to apply security controls consistently across the entire infrastructure stack.

Popular DevSecOps tools include SonarQube for static code analysis, OWASP ZAP for dynamic application security testing, Docker Security Scanning for container security, IaC security scanning. By adopting DevSecOps principles and leveraging these tools, organizations can build and deploy secure, resilient, and compliant software applications more efficiently and effectively.

DevSecOps with Security Tools:


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