Method and system for preventing identity theft and increasing security on all systems

This invention describes a computer system designed to prevent identity theft by enhancing security for electronic transactions. When a transaction is requested, the system checks various authentication factors and sends a real-time alert to the user's personal device, like a smartphone, for immediate approval or denial. A key aspect of the system, as defined by the claims, involves using two of the user's personal electronic devices to determine their physical proximity as an additional security measure.