Last Updated on December 30, 2025

Welcome to the DevSecOps & Security Automation Mastery Series by Pranu Kumar. This series is designed for senior developers, DevOps engineers, and government IT professionals who want to build secure, automated, and audit-ready CI/CD pipelines. Each module is self-contained with examples, tools, and hands-on guidance.

Explore the modules below and achieve architect-level DevSecOps mastery.


πŸ“š Module-wise Articles

Module 1: DevSecOps Foundations

Topics Covered:

  • Shift-left vs Shift-right security
  • Security as code & automation mindset
  • Zero Trust principles
  • CIA Triad & security responsibility model

Outcome: Security-first thinking for modern CI/CD pipelines

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Module 2: Secure SDLC & Threat Modeling

Topics Covered:

  • STRIDE Threat Modeling
  • Attack surface analysis
  • OWASP Top 10 overview
  • Designing secure applications

Outcome: Build security into design from day one

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Module 3: Secure Git & Source Code Protection

Topics Covered:

  • Branch protection & commit signing
  • Pre-commit hooks
  • Least privilege access

Outcome: Protected source code with automated checks

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Module 4: Secrets Management

Topics Covered:

  • Secrets lifecycle & rotation
  • HashiCorp Vault, AWS Secrets Manager, K8s Secrets
  • Integration with Spring Boot and CI/CD

Outcome: Zero hardcoded secrets in your applications

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Module 5: SAST – Static Application Security Testing

Topics Covered:

  • SonarQube, Checkmarx, Snyk Code
  • Security quality gates
  • Handling false positives

Outcome: Secure code before build

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Module 6: Dependency & Supply Chain Security

Topics Covered:

  • Open source risks & SBOM
  • Log4Shell-type vulnerabilities
  • Automated dependency checks

Outcome: Trusted dependencies in production

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Module 7: Container Security

Topics Covered:

  • Hardened Dockerfiles
  • Minimal base images
  • Container scanning with Trivy & Grype

Outcome: Secure container images ready for deployment

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Module 8: Kubernetes Security Fundamentals

Topics Covered:

  • RBAC & Service Accounts
  • Network policies
  • Cluster threat modeling & mitigation

Outcome: Hardened Kubernetes clusters

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Module 9: Policy as Code

Topics Covered:

  • OPA Gatekeeper & Kyverno
  • Admission control policies
  • Automated compliance enforcement

Outcome: Governance and security automated in CI/CD

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Module 10: Runtime Security & Threat Detection

Topics Covered:

  • Runtime attack patterns
  • Falco & Sysdig Secure
  • Behavioral monitoring

Outcome: Detect and respond to live threats

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Module 11: DAST – Dynamic Application Security Testing

Topics Covered:

  • OWASP ZAP, Burp Suite automation
  • Staging & test environments
  • Integration with CI/CD

Outcome: Runtime vulnerability detection

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Module 12: API Security Automation

Topics Covered:

  • OWASP API Top 10
  • Rate limiting & abuse detection
  • Postman security tests & automated scans

Outcome: Secure and resilient APIs

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Module 13: Identity, Access & Zero Trust

Topics Covered:

  • Keycloak, OAuth2 / OIDC, SPIFFE
  • Service-to-service authentication
  • mTLS for microservices

Outcome: Strong identity and access security

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Module 14: Compliance Automation (Govt / NIC Style)

Topics Covered:

  • Audit trails & evidence collection
  • ISO 27001 & OWASP ASVS compliance
  • Policy as code & GitOps logs

Outcome: Audit-ready pipelines for enterprise & government projects

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Module 15: Observability for Security (SecOps)

Topics Covered:

  • Security metrics & SIEM integration
  • Grafana dashboards
  • Log aggregation with ELK

Outcome: Full visibility into security posture

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Module 16: Incident Response & Automated Rollback

Topics Covered:

  • Incident lifecycle management
  • Argo Rollouts & Alertmanager
  • Security-triggered automatic rollback

Outcome: Fast recovery and reduced downtime

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Module 17: DevSecOps CI/CD Reference Architecture

Topics Covered:

  • End-to-end secure pipelines
  • Jenkins, GitHub Actions, ArgoCD
  • Vault, Trivy & OPA integration

Outcome: Architect-level DevSecOps pipeline mastery

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Module 18: Enterprise & Govt Case Studies

Topics Covered:

  • NIC-style secure pipelines
  • Railway / PSU & Banking-grade CI/CD
  • Real-world DevSecOps implementations

Outcome: Hands-on, production-ready DevSecOps knowledge

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πŸ’‘ Why Follow This Series?

  • Step-by-step mastery from foundations β†’ runtime security β†’ full CI/CD architecture
  • Real-world examples for government & enterprise projects
  • Fully toolchain agnostic with industry-standard frameworks