- Cryptology 14
- Management of Computing and Information Systems 11
- Computer Communication Networks 10
- Systems and Data Security 8
- Algorithm Analysis and Problem Complexity 7
- Discrete Mathematics in Computer Science 6
- Coding and Information Theory 5
- Computers and Society 5
- Operating Systems 4
- Communications Engineering, Networks 2
- Data Structures and Information Theory 2
- Information Systems Applications (incl. Internet) 2
- Computer Imaging, Vision, Pattern Recognition and Graphics 1
- Computer Science, general 1
- Database Management 1
- Information Systems and Communication Service 1
- Numeric Computing 1
- Simulation and Modeling 1
- Software Engineering/Programming and Operating Systems 1
- Theory of Computation 1