US Patent 11863543 Network device proximity-based authentication

A wireless system can be used to authenticate a user device via proximity information of wireless network devices. The system can include the user device, the wireless network devices, and a server. At least some of the wireless network devices can be wirelessly connected to the user device and at least some other wireless network devices can be wirelessly unconnected to the user device. The server can use proximity information about the user device with respect to the wireless network devices to authenticate a user.