Security measures Computer networks 1,089 Computer security 683 Prevention 261 Internet 210 Access control 163 Data protection 161 more ... Computer crimes 132 Management 120 Data encryption (Computer science) 116 Information technology 114 Safety measures 110 Business enterprises 108 Cyberspace 95 Terrorism 84 Cyberterrorism 81 Computers 70 Penetration testing (Computer security) 67 Cloud computing 63 Government policy 63 Electronic commerce 62 Wireless communication systems 62 Law and legislation 48 Data processing 46 Information warfare 45 Telecommunication 43 National security 42 Cryptography 41 Emergency management 41 Industries 41 less ...