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Grigoris Ntousakis

My name is Grigoris Ntousakis, born and raised in Chania, Crete. I hold a Master of Science in Computer Science from Brown University, where I conducted research under the guidance of Professor Nikos Vasilakis and Professor Vasileios Kemerlis. My research interests include computer security—with a particular focus on AI agent security—programming languages, dynamic program analysis, and techniques for improving software development workflows.
Interests. Dynamic Analysis, Security, Programming Languages

Education

Experience

  • IBM Research Security Research Intern (May 2025 - Aug. 2025) Yorktown Heights, NY Conducted security research on LLM agents, focusing on threat modeling, data leakage prevention, and runtime policy inference.
  • Telecommunication Systems Research Institute (TSI) Research Scientist (Mar. 2021 - Sept. 2024) Chania, Greece Lead the development of PRINCIPALS, enhancing security through cybersecurity primitives. Automated Kubernetes cluster deployments for R&D.
  • Brown University Visiting Research Fellow (Mar. 2023 - Nov. 2023) Providence, USA Designed systems combining dynamic and static analysis for fine-grained security policies. Co-led development of BinWrap.
  • Aegis Technologies Ltd. Cyber Security Engineer (Jan. 2022 - Jan. 2023) Remote, Singapore Implemented a high-performance deep packet inspection engine. Optimized packet processing for network monitoring.

Publications

Awards