Security measures Computer networks 57 Computer security 50 Data encryption (Computer science) 21 Data protection 9 Coding theory 8 Cryptography 7 Internet 7 Mobile communication systems 7 Computer crimes 6 Wireless communication systems 6 Information technology 4 Mobile computing 4 Public key cryptography 4 Telecommunication 4 Access control 3 Cloud computing 3 Electronic commerce 3 Prevention 3 Safety measures 3 Wireless LANs 3 Business enterprises 2 COMPUTERS / Networking / General 2 COMPUTERS / Security / General 2 Computers 2 Corporations 2 Data integrity 2 Data transmission systems 2 Database security 2 Disclosure of information 2