Nishant Vishwamitra, Ph.D.

Assistant Professor in Information Systems and Cyber Security, Information Systems and Cyber Security


Personal Faculty Website

Dr. Nishant Vishwamitra is an assistant professor in the Department of Information Systems and Cyber Security at the University of Texas at San Antonio (UTSA). He received his Ph.D. in Computer Science and Engineering from the Unversity at Buffalo, SUNY in 2022.

His research is focused on various aspects of emerging cybersecurity threats such as cyberbullying, cyberharassment, online offensiveness, attacks and defenses of AI/ML models, image privacy, and crowdsourcing. Dr. Vishwamitra also collaborates with researchers in other domains such as Social Science, Sociology, and Communication.

Research Interests

  • Online Hate
  • AI Security
  • Crowdsourcing
  • Image Privacy


  • Ph.D. University at Buffalo


  • “Towards understanding and detecting cyberbullying in real-world images”, with Hongxin Hu, Feng Luo, and Long Cheng, In Proceedings of the 28th Annual Network and Distributed System Security Symposium (NDSS).
  • “Towards a taxonomy of content sensitivity and sharing preferences for photos” with Yifang Li, Hongxin Hu, and Kelly Caine, In Proceedings of the 2020 Conference on Human Factors in Computing Systems (CHI).
  • “Effectiveness and users' experience of obfuscation as a privacy-enhancing technology for sharing photos” with Yifang Li, Bart P Knijnenburg, Hongxin Hu, and Kelly Caine, In Proceedings of the 20th ACM Conference on Computer-Supported Cooperative Work and Social Computing (CSCW).