Hi, I'm Denis

I work on LLM post-training, reinforcement learning, and environments for cybersecurity tasks. Previously, I worked as a Security Engineer, completed my Master's at KIT, and was a Visiting Scholar at CMU.

Feel free to reach out on any platform!

Recent

Automated Robustness -- When LLMs attack themselves Feb 2, 2026
Training LLMs to craft and detect prompt injections using PrimeIntellect's Hosted RL
PicoCTF 2025 - 3v@l - Writeup Aug 22, 2025
Writeup for the 3v@l challenge from PicoCTF 2025
PicoCTF 2025 - SSTI1 - Writeup Aug 15, 2025
Writeup for the SSTI1 challenge from PicoCTF 2025