Computer networks Security measures Computer security 42 Access control 14 Computers 11 Data protection 10 Dissertations 6 Dissertations, Academic 6 Internet 6 Intrusion detection systems (Computer security) 6 Passwords 6 Computer network protocols 5 Data encryption (Computer science) 5 Firewalls (Computer security) 4 Computer crimes 3 Cryptography 3 Electronic commerce 3 Information technology 3 Mobile computing 3 Prevention 3 Anomaly detection (Computer security) 2 Asynchronous transfer mode 2 Business enterprises 2 Cloud computing 2 Computer viruses 2 Database security 2 Electronic data processing 2 Electronic mail messages 2 Instant messaging 2 Internet of things 2