- Cryptology 9
- Systems and Data Security 8
- Coding and Information Theory 4
- Computer Communication Networks 4
- Management of Computing and Information Systems 4
- Algorithm Analysis and Problem Complexity 1
- Computer Science, general 1
- Computer System Implementation 1
- Computer Systems Organization and Communication Networks 1
- Computers and Society 1
- Control Structures and Microprogramming 1
- Discrete Mathematics in Computer Science 1
- Security 1
- Special Purpose and Application-Based Systems 1
- e-Commerce/e-business 1