FEDERAL CYBERSECURITY RESEARCH AND DEVELOPMENT STRATEGIC PLAN (2019) Abbreviations 5G fifth-generation wireless networking technologies AI artificial intelligence CPS cyber-physical systems DHS Department of Homeland Security HW hardware IoT Internet of Things IT information technology IWG Interagency Working Group K–12 kindergarten to 12th grade ML machine learning NCO National Coordination Office NIST National Institute of Standards and Technology NITRD Networking and Information Technology Research and Development (Program and NSTC Subcommittee) NSF National Science Foundation NSTC National Science and Technology Council OSD Office of the Secretary of Defense QIS Quantum Information Science QKD quantum key distribution R&D research and development S&T science and technology SW software TDDI trustworthy distributed digital infrastructure – 30 –