Dorothy Elizabeth Denning is a US-American information security researcher known for lattice-based access control (LBAC), intrusion detection systems (IDS), and other cyber security innovations. She published four books and over 200 articles. Inducted into the National Cyber Security Hall of Fame in 2012, she is now Emeritus Distinguished Professor of Defense Analysis, Naval Postgraduate School.

The Naval Postgraduate School (NPS) is a public graduate school operated by the United States Navy and located in Monterey, California.