Security measures Computer networks 17 Computer security 13 Data processing 5 Access control 4 Data encryption (Computer science) 4 Data protection 4 Management 4 Business 3 Computers 3 Machine learning 3 Prevention 3 Risk assessment 3 Terrorism 3 Airports 2 Automatic control 2 Cloud computing 2 Computer simulation 2 Cryptography 2 Embedded Internet devices 2 Information networks 2 Internet of things 2 Self-adaptive software 2 Aeronautics, Commercial 1 Automatic machinery 1 Biometric identification 1 Buildings 1 Business enterprises 1 Business logistics 1 Computer crimes 1