Ifeoma Onunkwo


Ifeoma Onunkwo

Senior Member of Technical Staff

Contact Information

Ifeoma Onunkwo / 505-284-3255


Ifeoma Onunkwo is a Senior Member of Technical Staff at Sandia National Laboratories. She has led efforts in network intrusion detection to prevent the spread of malware. She also leads efforts in the delivery of robust Distributed Energy Resource (DER) systems for DOE, Sandia, and commercial stakeholders. She has expertise in vulnerability assessments and penetration tests to assess the current level of DER network security. She has demonstrated vulnerability findings to stakeholders, including the use of emulated DER communication networks. Previously, she led the DER Cybersecurity National Sub-Workgroup on “Data-in-Flight Requirements” involving multiple DER operators and vendors in the US. She leads efforts to research and compare the novel NDN protocol against existing network solutions.


  • Masters of Science, Electrical Engineering from the University of New Mexico
  • Bachelors of Technology, Mathematics & Computer Science, Federal University of Technology Owerri, Nigeria

Google Scholar:

Ifeoma Onunkwo

Key Publications

  • Ifeoma Onunkwo, “Recommendations for Data-in-Transit Requirements for Securing DER Communications.” SAND Report.SAND2020-12704
  • J. Johnson, I. Onunkwo, P. Cordeiro, B. Wright, N. Jacobs, C. Lai, “Assessing DER Network Cybersecurity Defences in a Power-Communication Co-Simulation Environment,” IET Cyber-Physical Systems: Theory & Applications, https://doi.org/10.1049/iet-cps.2019.0084
  • Cedric Carter, Ifeoma Onunkwo, Patricia Cordeiro, and Jay Johnson. “Cyber Security Assessment of Distributed Energy Resources.”In Proceedings of the IEEE Photovoltaic Specialists Conference (PVSC), Washington, DC, USA, pp. 25-30. 2017
  • Christine Lai, Nicholas Jacobs, Shamina Hossain-McKenzie, Cedric Carter, Patricia Cordeiro, Ifeoma Onunkwo, Jay Johnson.“Cyber Security Primer for DER Vendors, Aggregators, and Grid Operators.” SAND Report.SAND2017-13113