Computer security Security measures 688 Computer networks 578 Examinations 201 Data protection 184 Certification 161 Electronic data processing personnel 155 Engineering & Applied Sciences 146 Computer Science 133 Information technology 124 Management 115 Computer crimes 101 Access control 82 Penetration testing (Computer security) 79 Computers 78 Cloud computing 77 Artificial intelligence 55 Internet 55 Development 49 Prevention 49 Data encryption (Computer science) 48 Application software 45 Computer software 44 Hackers 41 Business enterprises 40 Hacking 40 Systems and Data Security 38 Investigation 37 Cryptography 35 Microsoft Windows (Computer file) 35