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Introduction to DevOps & SecDevOps

DevOps Lifecycle Diagram

Concept: Unifying software development (Dev) and software operation (Ops). Objective: Shorten the systems development life cycle while delivering features frequently, closely, and reliably.

The Evolution to SecDevOps

Modern methodologies integrate security from the start ("Shift Left"), rather than as an afterthought.

Key Pillars

  1. CI/CD: Continuous Integration and Continuous Delivery.
  2. IaC: Infrastructure as Code (Terraform, Ansible).
  3. Observability: Logging, Metrics, Tracing.

Methodology in Action

  • Plan: User Stories (Jira)
  • Code: Version Control (Git)
  • Build: Automated testing (Jenkins/GitHub Actions)
  • Test: SAST/DAST Security Scans
  • Release: Automated Deployment
  • Deploy: Kubernetes/Cloud
  • Operate: Monitoring
  • Monitor: Feedback Loop