Computer security 26 Evaluation 26 Security measures 23 Computer networks 18 Computer crimes 8 Methodology 8 Prevention 7 Data protection 6 Access control 5 Measurement 5 Information technology 3 Microcomputers 3 Standards 3 Monitoring systems 2 Penetration testing (Computer security) 2 Public records 2 Telecommunication 2 ethical hacking 2 Preventing 1