Security measures Computer networks 14 Computer security 10 Access control 6 Computers 6 Data encryption (Computer science) 6 Evaluation 5 more ... Prevention 4 Computer crimes 3 Data protection 3 Internet 3 Research 3 Virtual computer systems 3 Cryptography 2 Cyberterrorism 2 Electronic data processing departments 2 Mobile computing 2 Passwords 2 Public key infrastructure (Computer security) 2 Application software 1 Authentication 1 Browsers (Computer programs) 1 Cache memory 1 Client/server computing 1 Cloud computing 1 Computer network protocols 1 Computer simulation 1 Computer software 1 Credit cards 1 Data processing 1 less ...