Security measures Computer networks 1,077 Computer security 678 Prevention 260 Internet 205 Access control 163 Data protection 157 more ... Computer crimes 130 Management 118 Data encryption (Computer science) 116 Information technology 111 Safety measures 110 Business enterprises 103 Cyberspace 94 Terrorism 84 Cyberterrorism 81 Computers 70 Penetration testing (Computer security) 67 Government policy 63 Cloud computing 62 Wireless communication systems 62 Electronic commerce 61 Data processing 46 Information warfare 45 Law and legislation 45 National security 42 Telecommunication 42 Cryptography 41 Emergency management 41 Industries 40 less ...