Tech enthusiast and YouTube creator from Prague 🇨🇿, focused on cybersecurity, DevOps and development. I learn by building tools, breaking things in a lab and writing down what I find.
New here? Watch my Czech videos on YouTube, try my projects, or read my CTF write-ups.
- 🛡️ Offensive & defensive security: CTFs, recon automation, vulnerable apps and their fixes
- 🔍 Code auditing: static analysis pipelines for Python, Django and React
- 🏅 Certified: CompTIA Security+ (SY0-701)
- 🔬 Researching the security of Wi-Fi routers (independent security research)
- 🎬 Working on new videos for my YouTube channel
- 🏃 Outside of tech, I run and lift heavy weights 🏋️
I make Czech videos about cybersecurity on my channel Martin Tomášek.
| Project | What it is |
|---|---|
| progtester | Tester for Progtest assignments at FIT CTU. |
| ctfrecon | Python recon tool that chains nmap with service-specific tools in a decision tree. Built for HackTheBox, TryHackMe and similar targets. |
| code-auditor | Audit platform for Python, Django and React projects. Runs Ruff, Bandit, Semgrep, ESLint and npm audit in parallel. |
- security-research: independent cybersecurity research
- ctf-write-ups: write-ups for CTF challenges I've played (XSS, RSA and more)
- comptia-security-plus: my CompTIA Security+ SY0-701 study notes
💬 ping me about cybersecurity, DevOps and development. Open an issue or a discussion on any of the repos above, or find me here:
