Security & DevSecOps

Hardening, secrets management, and shifting security left into the pipeline instead of bolting it on at the end.

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Difficulty

Status

Beginner0 of 1 complete

Security Fundamentals
The CIA triad, attack surface, and defense in depth — the handful of ideas every other security lesson builds on.

Intermediate0 of 2 complete

Secrets Management
Why passwords and API keys don't belong in code, and where they should live instead.
Shift-Left Security
Catching vulnerabilities while a pull request is still open, instead of after it ships.

Advanced0 of 1 complete

Network & Firewall Hardening
Closing everything you can, and being able to prove what is left open.

Expert0 of 1 complete

Detecting & Responding to a Breach
What actually happens in the first hour after something looks wrong.