Azure Security Audit – Enterprise App Hardening (Mechanical Engineering NRW)

Security audit and enterprise hardening of a NativePHP/Electron desktop app for deployment in regulated corporate environments (SCCM, Intune, GPO).

Read case study

CBBH Journey – From Backend Developer to Offensive Security Specialist

My path to CBBH certification: 100+ hours of learning offensive security to not just build backends, but defend them.

Read case study

IoT Security Training Kit (ESP32)

CTF-style training box for secure embedded development: 10 IoT challenges on ESP32, PoV scripts, Docker lab, CI skeleton.

Read case study

Signed OTA Update Pipeline (ESP32 + STM32)

Fail-safe A/B updates with Ed25519 signatures, anti-rollback, and verify-before-commit – CI-integrated for ESP32 & STM32.

Read case study

Königszahn – Security Governance & Managed Services

KBV-compliant security documentation, telematics infrastructure component management, and ongoing patch governance for a dental practice connected to Germany's health IT network.

Read case study