Computer security Examinations 42 Certification 38 Electronic data processing personnel 35 Computer networks 29 Security measures 18 Computer technicians 8 Linux 6 Management 5 Penetration testing (Computer security) 5 Computing Technology Industry Association 4 Cloud computing 3 Information technology 3 Hackers 2 Hacking 2 Telecommunications engineers 2 Computer crimes: investigation 1 Data encryption (Computer science) 1 Electronic data processing 1 Internet 1 Internet videos 1 Microsoft Corporation 1 Streaming video 1