Dr. Partha Das Chowdhury is a Lecturer (Assistant Professor) in Software Security at the University of Bristol. He is also an Alumni Fellow (2024-2025) of the NCSC-UK funded Research Institute for Socio-Technical Security (RISCS).

Dr Chowdhury advocates a realisation based research paradigm to systems and software security. He leads the development of the testbed operation system (testbedOS) to test application security and privacy properties in a reproducible manner. Dr Chowdhary has been involved in the evaluation of six safety technologies to detect child sexually abusive material (CSAM), commissioned by the GCHQ and the Home Office, UK. He has contributed to the UK’s Department of Culture Media and Sports consultation on Security and Privacy settings in Apps and Apps stores on behalf of REPHRAIN.