C S
IT Security Consultant at Puls Security
Germany
Summary
🤩
Rockstar🎓
Top SchoolC S is an IT security consultant based in Germany with 11 years of hands-on experience across penetration testing, cryptographic engineering, and academic research. He has worked at the intersection of industry and academia—implementing post-quantum KEMs in VHDL, publishing DNS-focused research, and conducting technical audits for clients. Comfortable coding in C and Python, he combines low-level cryptographic implementation experience with practical attack-surface assessments. Currently at Puls Security after consulting at HiSolutions, he brings a rare blend of formal research into cryptographic backdoors and pragmatic offensive-security skills. Known to "hack stuff for fun," he pairs curiosity-driven exploration with rigorous, defensible security recommendations.
11 years of coding experience
Dr. rer. nat., Promotionsstudium, Dr. rer. nat., Promotionsstudium at Ruhr University Bochum
German, English
Github Skills (119)
web-application10
nix10
firmware10
home-manager10
homeconnect10
boot10
command-line-tool10
armv710
haskell10
nixos10
linux10
ledger10
nix-darwin10
motherboard10
finance10
Programming languages (19)
Github contributions (5)
CRTified/ModularGRUBStick
Oct 2015 - Mar 2022
Contributions:4 pushes, 1 branch in 6 years 6 months
CRTified/qmk_firmware
Jan 2022 - Apr 2026
Open-source keyboard firmware for Atmel AVR and Arm USB families
Contributions:8 pushes, 1 branch in 4 years 3 months
atmelavrfirmwareusb
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