I received my B.S. and M.S. degrees in information security (Cloud Computing Security) from Soonchunhyang University, Asan, South Korea, in August 2013 and August 2015, respectively, and my Ph.D. degree in computer engineering (Healthcare Convergence Security) from Ajou University, Suwon, South Korea, in August 2021. I am currently a Postdoctoral Fellow with the Institute for Computing and Informatics Research, Ajou University. My current research interests include application service security, Healthcare Convergence Security, cloud computing security, cryptographic protocols, Risk Management Framework (RMF), and zero trust architecture.