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From security fundamentals to secure delivery

Learn DevSecOps by doing, one level at a time

A structured 14-level journey through cybersecurity, Linux, pipelines, containers and cloud — with quizzes, simulated hands-on exercises and progress you can trust.

Start learning — it's free Explore the journey
Levels
14
Lessons available
102
Skills tracked
107
Quizzes
102
Hands-on exercises
31

The 14-level journey

14 levels are available today. The rest are on the roadmap and clearly marked as planned.

  1. LEVEL 00 Available

    Cybersecurity Fundamentals

    Understand core security concepts, the CIA triad, risk management, cryptography basics, and identity & access management.

    10 topics · 5 lessons

  2. LEVEL 01 Available

    Linux Security Fundamentals

    Master Linux security basics: architecture, user management, file permissions, privilege escalation prevention, and SSH hardening.

    10 topics · 5 lessons

  3. LEVEL 02 Available

    Network Security

    Understand network protocols, firewalls, intrusion detection, VPNs, and network segmentation for secure infrastructure.

    12 topics · 7 lessons

  4. LEVEL 03 Available

    Application Security

    Learn secure coding practices, common vulnerability patterns, input validation, and application-layer defenses.

    12 topics · 7 lessons

  5. LEVEL 04 Available

    DevSecOps Foundations

    Understand the DevSecOps philosophy, shift-left security, and how to integrate security into the software development lifecycle.

    9 topics · 7 lessons

  6. LEVEL 05 Available

    CI/CD Pipeline Security

    Secure CI/CD pipelines: runner hardening, secrets management, SAST/DAST/SCA integration, SBOM generation, and quality gates.

    12 topics · 8 lessons

  7. LEVEL 06 Available

    Container Security

    Secure container images, runtimes, and orchestration: Dockerfile hardening, image scanning, runtime protection, and registry security.

    14 topics · 8 lessons

  8. LEVEL 07 Available

    Software Supply Chain Security

    Protect the software supply chain: dependency management, SBOM, provenance, artifact verification, and supply chain attack prevention.

    13 topics · 7 lessons

  9. LEVEL 08 Available

    Kubernetes Security

    Secure Kubernetes clusters: RBAC, network policies, pod security standards, admission controllers, and workload isolation.

    12 topics · 8 lessons

  10. LEVEL 09 Available

    Cloud Security

    Secure cloud infrastructure: IAM best practices, VPC design, cloud-native security services, and multi-cloud security posture management.

    10 topics · 8 lessons

  11. LEVEL 10 Available

    Infrastructure as Code Security

    Secure IaC: Terraform/CloudFormation scanning, policy-as-code, drift detection, and secure IaC patterns.

    8 topics · 8 lessons

  12. LEVEL 11 Available

    Secrets Management

    Master secrets management: vault architectures, rotation strategies, dynamic secrets, and secrets in CI/CD and Kubernetes.

    8 topics · 8 lessons

  13. LEVEL 12 Available

    Security Monitoring & Incident Response

    Build security monitoring capabilities: SIEM, log analysis, alerting, incident response procedures, and forensics basics.

    8 topics · 8 lessons

  14. LEVEL 13 Available

    Advanced DevSecOps Engineering

    Capstone level: design and implement a complete DevSecOps program integrating all previous knowledge areas.

    9 topics · 8 lessons

Built for learning that sticks

Everything is grounded in practice and measured honestly.

Simulated labs

Practise in a browser-based simulated Linux shell and config editors. Nothing is executed on a real server — safe to experiment.

Deterministic validators

Exercises are graded by structural checks on the resulting state, AST or pipeline — not keyword matching — with clear findings.

AI mentor

Optional, requires your API key. Hints are grounded in the lesson and your actual validator findings, escalating from concept to solution.

Progress & badges

XP, streaks, per-level progress, skill scores and level badges — computed from what you actually completed.

Honest content

Real incidents are attributed; illustrative scenarios are labelled. Planned levels are shown as planned — no fake features.

Real local labs, challenges and certification prep are on the roadmap and labelled as planned in the app.

How it works

  1. 1

    Tell us where you are

    A short onboarding questionnaire recommends a learning path that fits your experience and goals.

  2. 2

    Learn, then practise

    Read structured lessons with diagrams, then apply them in quizzes and simulated hands-on exercises.

  3. 3

    Track your mastery

    Earn XP and badges, watch your skill scores grow and always know the next best lesson.

Ready to secure what you ship?

Start with Cybersecurity Fundamentals and build up from there.

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