Security measures Computer networks 1,078 Computer security 676 Prevention 260 Internet 205 Access control 161 Data protection 160 more ... Computer crimes 129 Management 119 Data encryption (Computer science) 115 Information technology 113 Safety measures 108 Business enterprises 105 Cyberspace 94 Terrorism 83 Cyberterrorism 80 Computers 69 Penetration testing (Computer security) 67 Cloud computing 63 Electronic commerce 62 Government policy 62 Wireless communication systems 60 Law and legislation 48 Data processing 46 Information warfare 44 National security 42 Telecommunication 42 Cryptography 41 Emergency management 41 Industries 40 less ...