Cybersecurity engineer on critical electricity infrastructure — OT network visibility, asset discovery, detection-as-code. Based in Switzerland.
Security & systems
- POSIX-hardening — 21-script Debian hardening toolkit with auto-rollback and SSH lockout prevention.
- posix-ids — zero-dep Linux IDS that pipes alerts into Splunk.
- splunk-security-alerts — detection-as-code framework for production Splunk environments.
- zbx-cli — pure-shell Zabbix client for locked-down hosts.
- topdesk-cli — shell client for Topdesk ITSM automation.
- toolbox.sh — POSIX-shell framework for Git-style CLIs, JSON-driven scaffolding.
Beyond work
- minecraft-litematica — SDF math meets Minecraft: composable 3D primitives + boolean ops generating Litematica schematics.
- obsidianMathsExecutor — Obsidian plugin that executes prepared LaTeX maths inside your vault.
- jewlarray.ch — gemmology bench: faceting, identification, retail.
Nightly Shodan-InternetDB sweep of my own domains, rendered as a static SVG. No external dashboard, no third-party hosting — generated by a GitHub Action and committed back.
- bissbert.ch — write-ups (intermittent)
- jewlarray.ch — gemmology shop