Stefan Tatschner
Security Researcher at Fraunhofer AISEC
Munich, Bavaria, Germany
Summary
🤩
Rockstar🎓
Top SchoolStefan Tatschner is a security researcher with 13 years of hands-on experience in automotive penetration testing, network infrastructures, and protocol analysis at Fraunhofer AISEC, where he progressed from a Master's thesis on CAN/CAN FD security to a long-term research role. He is pursuing a PhD in Cyber Security at the University of Limerick, combining deep academic rigour with practical attack and assessment skills demonstrated since his Bachelor work on GSM physical-layer interception. A seasoned embedded and back-end engineer, Stefan contributes to well-known open-source tooling like the Rouge Ruby syntax highlighter, improving lexer coverage and parsing edge cases—an indication of his attention to subtle, high-impact details. Based in Munich, he balances technical work with an unexpected personal pursuit as a beekeeper, reflecting a methodical, patient approach to complex problems.
13 years of coding experience
Master of Science (M.Sc.), Electrical, Electronics and Communications Engineering, Master of Science (M.Sc.), Electrical, Electronics and Communications Engineering at Deggendorf Institute of TechnologyDoctor of Philosophy - PhD, Cyber Security, Doctor of Philosophy - PhD, Cyber Security at University of Limerick
Polish, French, German, English
Stackoverflow
103reputation
39kreached
6answers
2questions
Github Skills (17)
ruby10
syntax-highlighting10
difference9
csharp9
dotnet-core9
php9
cpp9
shell9
cgit6
while-loop6
gettext6
archlinux6
linux6
ftp6
python6
Programming languages (22)
Github contributions (5)
rouge-ruby/rouge
Dec 2014 - May 2015
A pure Ruby code highlighter that is compatible with Pygments
Role in this project:
Back-end Developer
Back-end DeveloperContributions:8 commits, 8 PRs, 18 comments in 5 months
Contributions summary:Stefan primarily contributed to the Ruby code highlighter, Rouge. Their work involved adding and improving lexer definitions for various programming languages and file formats. This included adding file mappings for specific languages, improving existing lexers to handle edge cases in code, and modifying the logic of existing lexers to better parse the code. These changes improved the accuracy and coverage of the syntax highlighting capabilities of Rouge.
pure-rubyrubyhighlightercode-highlighterpygments
entrepreneurj/rugments
Dec 2014 - Jan 2015
Contributions:133 commits in 1 month
rougerubyhighlighterpygments
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