Computer security Security measures Computer networks 500 Data protection 86 Internet 76 Access control 74 Data encryption (Computer science) 55 more ... Information technology 54 Prevention 49 Computer crimes 44 Management 44 Business enterprises 41 Computers 37 Cyberterrorism 32 Cyberspace 18 Electronic commerce 17 Examinations 17 Certification 16 Evaluation 16 Privacy, Right of 16 Penetration testing (Computer security) 15 Telecommunication systems 15 Electronic data processing personnel 14 Investigation 14 Computer software 13 Government policy 13 Cloud computing 12 Data processing 12 Database security 11 Electronic data processing departments 11 less ...