Professor Choo’s areas of research include big data analytics, cyber security and digital forensics. His research has been funded by the National Science Foundation (NSF), NASA, Texas National Security Network Excellence Fund, LGS Innovations, CPS Energy, Australian Research Council, Australian Government National Drug Law Enforcement Research Fund, Australian Government Cooperative Research Centre for Data to Decision, auDA Foundation, Government of South Australia (SA Health), BAE Systems stratsec, Australian-American Fulbright Commission, Australasian Institute of Judicial Administration Incorporated, etc. He has also reviewed for L’Oréal-UNESCO For Women in Science 2021 International Awards (physical sciences, mathematics and computer science), Canada Research Chairs Program (Tier 1 Chair – 2019), etc.