Computer networks Security measures 1,073 Computer security 589 Management 471 Examinations 452 Certification 378 Electronic data processing personnel 328 Engineering & Applied Sciences 303 Business enterprises 244 Electrical & Computer Engineering 203 Telecommunications 200 Information technology 187 Cloud computing 147 Computer Science 136 Access control 121 Data protection 101 Development 92 Internet 88 Application software 79 Telecommunications engineers 78 Computers 76 Penetration testing (Computer security) 76 Computer crimes 68 Electronic data processing 68 Operating systems (Computers) 67 Computer network architectures 65 Data processing 62 Computer network protocols 59 Internetworking (Telecommunication) 59 Wireless communication systems 49