Access control Computer networks Security measures 12 Computers 10 Computer security 7 Passwords 6 Data protection 3 Biometric identification 1 Business records 1 Data encryption (Computer science) 1 Dislocation 1 Electronic mail messages 1 Enterprise application integration (Computer systems) 1 Instant messaging 1 Intrusion detection systems (Computer security) 1 Machine learning 1 Management information systems 1 Public key infrastructure (Computer security) 1 Shoulder joint 1 Software-defined networking (Computer network technology) 1 Web services 1