Stuart is the John Norris Maguire Professor of Information Technologies at MIT Sloan School of Management, Professor of Engineering Systems at MIT School of Engineering, and Founding Director of MIT's Interdisciplinary Consortium for Improving Critical Infrastructure Cybersecurity. His involvement in cybersecurity research goes back to 1979, when he co-authored the book Computer Security. Stuart has been an MIT faculty member since 1972. He served as the head of MIT's Information Technologies Group in the Sloan School of Management for more than 20 years. He is the author or co-author of more than 300 books, articles, and reports. Besides cybersecurity, his other research interests include Big Data, semantic connectivity, database technology, software project management, and the strategic use of information technology.