A system for authenticating an individual's location activity includes a mobile communications device connected to a network and in electronic communication with at least one other computer. The mobile communications device is configured to authenticate the individual's presence at a location using biometric data entered by the individual. The mobile communications device has applications stored thereon to access location information for the mobile communications device using a GPS application stored on the mobile communications device and to access time information for the mobile communications device from a clock application stored on the mobile communications device. The mobile communications devices creates a digital signature that authenticates an individual's location activity by storing an encrypted digital certificate comprising a hash calculation using the biometric data, a validation key generated by authenticating the biometric data, the location information, and the time information.USF inventors have developed a method that combines the location information obtained from a mobile device with a system of authentication that relies on individual biometrics, specifically voice (or even video) to verify an individual's exact location at a specific point in time. This invention has been instantiated as a mobile application combined with software that resides on the cloud servers. The system is designed to detect spoofing of GPS, voice captured from an electronic device, and other fraudulent activities and to deny authentication. Individual components of this functionality have been made available as APIs for integration into existing solutions and services. This invention can be applied in family and employee tracking systems, location-based authentication software and services, and law enforcement offices.
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