- Cryptology 13
- Systems and Data Security 10
- Computer Communication Networks 8
- Management of Computing and Information Systems 5
- Artificial Intelligence 4
- Information Systems Applications (incl. Internet) 4
- Algorithm Analysis and Problem Complexity 3
- Computer Applications 3
- Security 3
- Security Services 3
- Computers and Society 2
- Database Management 2
- Mobile and Network Security 2
- e-Commerce/e-business 2
- Computer Imaging, Vision, Pattern Recognition and Graphics 1
- Data Mining and Knowledge Discovery 1
- Data Structures and Information Theory 1
- Privacy 1
- Security Science and Technology 1