- Cryptology 15
- Systems and Data Security 14
- Computer Communication Networks 10
- Computers and Society 6
- Management of Computing and Information Systems 4
- Mobile and Network Security 4
- Algorithm Analysis and Problem Complexity 3
- Computer System Implementation 2
- Computer Systems Organization and Communication Networks 2
- Information Systems Applications (incl. Internet) 2
- Security 2
- Special Purpose and Application-Based Systems 2
- Artificial Intelligence 1
- Coding and Information Theory 1
- Computer Applications 1
- Computer Imaging, Vision, Pattern Recognition and Graphics 1
- Computing Milieux 1
- Control Structures and Microprogramming 1
- Data Mining and Knowledge Discovery 1
- Legal Aspects of Computing 1