Denis Ulybyshev, Ph.D.

Google Scholar 

Assistant Professor in Computer Science at Tennessee Technological University and Cybersecurity Education, Research and Outreach Center (CEROC). Knowledgeable innovator in Information Security, Data Science, Blockchain-based Technologies and Databases, having 12 academic peer-reviewed publications, 6 awards and 7 years of research in the United States. 8 years of industrial experience in developing large-scale software for mass market, including firmware for printers, developed at Samsung Electronics, and Manufacturing Execution Systems, developed at Schneider Electric company.

Research Projects

  • Data Protection in Transit and at Rest with Leakage Detection Demo Video
  • Secure Targeted Data Propagation
  • Secure Vehicle-to-Vehicle Communication Systems
  • Information System for Early Surface Crack Detection

Research Interests

  1. Cybersecurity: data protection in transit and at rest, data privacy, data leakage prevention and detection, access control, search over encrypted data
  2. Distributed systems: blockchain-based technologies, cloud data management
  3. Machine Learning: Context-aware recommendation systems
  4. Information retrieval: development of search engines and optimization techniques
  5. Industrial Automation: SCADA systems, Programmable Logical Controllers
  6. Language-based security: memory protection tools, techniques for secure software development and for auditing existing software for vulnerabilities



  1. D. Ulybyshev, M. Villarreal-Vasquez, B. Bhargava, G. Mani, S. Seaberg, P. Conoval, R. Pike, J. Kobes, “Blockhub: Blockchain-based Software Development System for Untrusted Environments”, IEEE CLOUD, San-Francisco, 2018. 
  2. D. Ulybyshev, A. Alsalem, B. Bhargava, S. Savvides, G. Mani, and L. Ben-Othmane, “Secure Data Communication in Autonomous V2X Systems”, IEEE ICIOT, San-Francisco, 2018.
  3. D. Ulybyshev, A. Alsalem, and B. Bhargava, “Secure Data Exchange and Data Leakage Detection in Untrusted Cloud“, Springer Journal on Applications of Computing and Communication Technologies, on 1-st Intl Conf. ICACCT 2018, vol. 899, pp. 99-113
  4. D. Ulybyshev, S. Palacios, G. Mani, A. Alsalem, B. Bhargava, P. Goyal, “On-the-fly Analytics over Encrypted Records in Untrusted V2X Environments”, 4-th Intl. Conf. ICACEEE, Zurich, 2018. [PDF]
  5. D. Ulybyshev, B. Bhargava, M. Villarreal, D. Steiner, L. Li, J. Kobes, H. Halpin, R. Ranchal, A. Alsalem, “Privacy-preserving data dissemination in untrusted cloud” , pp.770-773 IEEE CLOUD, Honolulu, 2017
  6. S. Sardesai, D. Ulybyshev, L. Ben Othmane, B. Bhargava, “Impact of Security Attacks on The Effectiveness of Collaborative Adaptive Cruise Control Mechanism“, Intl. Smart Cities (ISC-2) Conference, Kansas City, Sep.18-22, 2018.
  7. G. Mani, B. Bhargava, P. Angin, J. Kobes, M. Villarreal-Vasquez, D. Ulybyshev, “Machine Models to Enhance the Science of Cognitive Autonomy“, IEEE Artificial Intelligence and Knowledge Conference (AIKE) , Laguna Hills, Sept., 2018.
  8. G. Mani, D. Ulybyshev, B. Bhargava, J. Kobes, P. Goyal, “Autonomous Aggregate Data Analytics in Untrusted Cloud“, IEEE Artificial Intelligence and Knowledge Conference (AIKE) , Laguna Hills, Sept., 2018.
  9. C. Qu, D. Ulybyshev, B. Bhargava, R. Rohit, and L. Lilien, Secure Dissemination of Video Data in Vehicle-to-Vehicle Systems, 6th Intl. Workshop on Dependable Network Computing and Mobile Systems (DNCMS2015), Sep. 2015
  10. R. Ranchal, D. Ulybyshev, P. Angin and B. Bhargava, “PD3: Policy – based Distributed Data Dissemination”, 16-th CERIAS Security Symp., Mar. 2015. (Best poster award, 1 out of 43, selected by Corporate Partners )
  11. N. Myrent, D.E. Adams, G. Rodriguez-Rivera, D. Ulybyshev, J. Vitek, E. Blanton, T. Kalibera, “A Robust Algorithm to Detecting Wind Turbine Blade Health Using Vibro-Acoustic Modulation and Sideband Spectral Analysis” , 33rd ASME Wind Energy Symposium, 2014
  12. D. Ulybyshev, “Comparison of fuzzy and regular Least – Squares Methods in the random noise filtering task”, Trans. of 5-th Intl. Symp. “Intelligent control systems 2002”. – Caluga (2002), ISBN 5 – 7038 – 2049 – 9, pp. 320 – 323
  13. D. Ulybyshev, “Fuzzy Least – Squares Method and its modifications for different kinds of fuzzy “AND” operation in the random noise filtering task”, Trans. of Intl. Symp. “Reliability and Quality”. – Penza (2003), ISBN 5 – 94170 – 031 – 8, pp. 203 – 207

Hackathons & Competitions

1. Apr, 2019. Participated (6th place) in a two-day Cybersecurity Programming Challenge “TracerFIRE 2019”, organized by Sandia National Laboratories, CERIAS and Computer Science Department at Purdue University, 06-07 April 2019