System and method for proximity-based authentication

This invention describes a system where a server can verify a user's identity by confirming they are physically close to a trusted device they own. If the server detects a potential risk with the user's current online session, it triggers a proximity check. It sends a unique code to one of the user's devices, which then transmits it locally for another registered device to receive and send back to the server, proving their physical presence.

Why it matters: Filed before the widespread adoption of advanced AI for real-time behavioral analytics. The claims' focus on interpreting risk data and user behavior for authentication is now significantly more feasible and accurate with current machine learning capabilities.

Status: Not in forceListed as no longer active. The specific reason is not in the record we hold.
How hard to build: SpecializedSoftware logic, network protocols, device integration

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