Security measures 49 Computer networks 47 Computer security 23 Data protection 6 Thesis 6 Business enterprises 4 Data encryption (Computer science) 4 Access control 3 Coding theory 3 Computer crimes 3 Dissertations, Academic 3 Firewalls (Computer security) 3 Internet (Computer network) 3 Business enterprise 2 Computer 2 Computer network 2 Defense measures 2 Electronic data processing 2 Extranets (Computer networks) 2 Information warfare 2 Internet 2 Problems, exercises, etc 2 Provention computer security 2 Telecommunication 2 Attacks on routing protocols 1 Certification 1 Computer and security 1 Computer hackers 1 Computer networks Access control 1 Computer networks-Security 1