Security measures 30 Computer networks 25 Computer security 24 Certification 15 Electronic data processing personnel 15 Examinations 15 Microsoft Windows server 13 Client/server computing 11 Computer crimes 11 Investigation 9 Access control 7 Microsoft software 7 Operating systems (Computers) 7 Forensic sciences 4 Microsoft Windows (Computer file) 4 Computer hackers 3 Computers 3 Management 3 Virtual computer systems 3 Citrix MetaFrame 2 Cloud computing 2 Cyberterrorism 2 Data processing 2 Data protection 2 Data recovery (Computer science) 2 Economic aspects 2 Firewalls (Computer security) 2 Information technology 2 Internet 2 Mac OS 2