Building secure, intelligent, and privacy-aware AI systems.
I am Malithi Mithsara, a PhD student at Southern Illinois University. My work focuses on human activity recognition, language models, sensing systems, and security challenges such as data poisoning, adversarial attacks, and prompt injection.
About
Academic Profile
Education
PhD in Computer Science at Southern Illinois University with a 4.00/4.00 GPA.
Research Focus
Trustworthy LLM/SLM-integrated sensing systems for healthcare, smart environments, and wearable AI.
Awards
Recipient of the GPSC Travel and Conference Award and IEEE BSN Travel Award.
Research
Research Interests
My research explores how large and small language models can interpret complex sensor data for real-time human activity analysis while improving robustness, privacy, and trust. I study vulnerabilities in AI-enabled sensing systems, including data poisoning, adversarial examples, and prompt injection attacks, and design methods for safer and more reliable AI pipelines.
Selected Work
Publications
Career
Experience
Graduate Assistant
Southern Illinois University
Teaching assistant for computer science courses and researcher working on LLMs, SLMs, multimodal sensing, and trustworthy AI systems.
Assistant Lecturer
Informatics Institute of Technology
Taught programming, computer systems, software development, and mathematics for data science students.
Temporary Lecturer
Rajarata University of Sri Lanka
Taught web development, operating systems, and management information systems while supervising final-year research projects.
Contact
Let’s connect
I am interested in collaborations in data science, trustworthy AI, wearable sensing, healthcare AI, and security-focused machine learning.