Computer networks Security measures 231 Computer security 97 Management 84 Business enterprises 83 Internet 65 Information technology 58 Social aspects 55 Wireless communication systems 55 Telecommunication 48 Electronic commerce 46 Telecommunication systems 46 Data transmission systems 45 Data protection 32 Computer crimes 26 Electronic data processing 26 Mobile communication systems 26 Data processing 25 Law and legislation 23 Cloud computing 21 Computers 19 Distributed processing 18 Information networks 18 Technological innovations 18 Access control 17 Internet (Computer network) 17 Prevention 17 Computer network protocols 16 Management information systems 16 Optical communications 16