A system and method to detect and prevent fraud in a system is provided. The system may uniquely identify physical devices connecting to a network, register unique devices, track end-user logins, associate end-user accounts with specific devices, and share information with multiple network service providers...http://www.google.com/patents/US20050278542?utm_source=gb-gplus-sharePatent US20050278542 - Network security and fraud detection system and method
