Computer security Security measures 188 Computer networks 145 Data protection 63 Access control 29 Management 26 Internet 22 more ... Computer crimes 21 Computers 21 Information technology 20 Prevention 20 Computer hackers 17 Cryptography 15 Business enterprises 14 Examinations 14 Law and legislation 14 Privacy, Right of 14 Certification 12 Cyberterrorism 11 Data encryption (Computer science) 11 Electronic data processing personnel 11 Electronic data processing departments 9 Computer software 7 Firewalls (Computer security) 7 Standards 7 Cyberspace 6 Government policy 6 Operating systems (Computers) 6 Reliability 6 Database security 5 less ...