Cyberspace Security and Defense: Research Issues

access control activity algorithm analysis application approach assessment attack attributes biometric block cipher certificate certification authority Common Criteria communication complex components connection considered Counter mode critical information infrastructure Cyberspace Security database decryption defined dependability distributed electronic signature embedded systems encryption energy environment evaluation event example failure mode fault Figure function honeypot host identified IEEE implemented information systems interaction International Internet intrusion detection IP address iris image iris recognition issues known plaintext attacks method mobile agent module NetFlow neural networks nodes operation organization output packets plaintext port problem protection protocol remote result risk safety scale-free networks secret key Security and Defense security objectives security requirements sensor networks server solar Source specific stakeholders standard step weight stream cipher structure Table target tcpdump threats tool traffic trough concentrator trust objective users vulnerability