Computer security 304 Security measures 163 Computer networks 107 Data protection 54 Computer crimes 35 Cloud computing 21 Cryptography 21 Information technology 21 Prevention 21 Computers 20 Management 16 Access control 15 Cyberterrorism 14 Data processing 14 Business enterprises 13 Data encryption (Computer science) 13 Electronic commerce 10 Investigation 10 Mobile computing 9 Reliability 9 Computer software 8 Internet 8 Privacy, Right of 8 Business 7 Electronic data processing departments 7 Cyberspace 6 Development 6 National security 6 Penetration testing (Computer security) 6 Risk assessment 6