- Talos Security, s.r.l.s.
- Technical University of Berlin | Technische Universität Berlin
- Technical University of Cluj-Napoca
- Technical University of Lisbon
- Technische Universität Braunschweig = Technical University of Braunschweig [Braunschweig]
- Technische Universität Darmstadt - Technical University of Darmstadt
- Technische Universität Dresden = Dresden University of Technology
- Technische Universität Hamburg-Harburg
- Technische Universität Munchen - Technical University Munich - Université Technique de Munich
- Technologie-Zentrum Informatik und Informationstechnik
- Tel Aviv University
- Telekom Innovation Laboratories
- The Alan Turing Institute
- The Chinese University of Hong Kong [Hong Kong]
- The George Washington University
- The Open University [Milton Keynes]
- The University of Hong Kong
- The University of New Mexico [Albuquerque]
- Threat Analysis and Mitigation for Information Security
- Tokai University
- Toulouse Mind & Brain Institut
- Trier University of Applied Sciences
- Trinity College Dublin
- Trinity International University
- Tsinghua University [Beijing]
- Télécom Bretagne
- Télécom ParisTech
- Télécom SudParis