Valerii Gakh

Valerii Gakh is a PhD student and Junior Research Fellow at Tallinn University of Technology's Department of Software Science (Faculty of Information Technologies). His research focuses on the security of large language models (LLMs) and their application in log analysis. He holds a Master's Degree from the same institution, where he defended his thesis on prompt injection detection solutions. Valerii is supervised by Hayretdin Bahşi and Risto Vaarandi in his doctoral studies exploring efficient security log template extraction using LLMs.

Education:

• PhD Student (2024-), Tallinn University of Technology
• Master's Degree (2024), Tallinn University of Technology

Research Interests: His work addresses critical challenges in AI security, including LLM vulnerability mitigation and leveraging LLMs for cybersecurity tasks like log analysis. Specific topics include prompt injection detection mechanisms and template extraction from security logs to enhance threat identification.

Advising & Grants: Supervised by Professors Hayretdin Bahşi and Risto Vaarandi. No grants explicitly mentioned in the provided texts.