- Cryptology 126
- Algorithm Analysis and Problem Complexity 69
- Computer Communication Networks 66
- Management of Computing and Information Systems 56
- Coding and Information Theory 55
- Systems and Data Security 50
- Discrete Mathematics in Computer Science 43
- Operating Systems 34
- Computers and Society 24
- Data Structures and Information Theory 23
- Applications of Mathematics 15
- Complexity 11
- Mathematical and Computational Engineering 11
- Theory of Computation 10
- Combinatorics 9
- Computational Mathematics and Numerical Analysis 9
- Mathematics of Computing 9
- Communications Engineering, Networks 7
- Information Systems Applications (incl. Internet) 7
- Software Engineering/Programming and Operating Systems 7