Computer security Security measures 705 Computer networks 589 Examinations 209 Data protection 185 Certification 167 Electronic data processing personnel 160 Engineering & Applied Sciences 146 Computer Science 133 Information technology 129 Management 117 Computer crimes 99 Access control 82 Cloud computing 80 Penetration testing (Computer security) 80 Computers 78 Artificial intelligence 61 Internet 55 Development 53 Prevention 51 Application software 50 Data encryption (Computer science) 50 Computer software 45 Business enterprises 42 Hackers 42 Hacking 41 Systems and Data Security 38 Operating systems (Computers) 37 Computer programming 36 Cryptography 36