1. A method for automatically admitting a device to a network, the method comprising: receiving, from the one or more authorized devices in the network, first data that is associated with one or more sensing modalities, wherein the one or more sensing modalities are detected by the one or more of the one or more of the authorized devices during a defined time window; identifying a new device to be admitted to the network; constructing a time sequence of proximity events of the new device, within the defined time window, based on the first data; determining that the time sequence of the proximity events matches an expected time sequence of expected of proximity events; and admitting the new device to the network based on the determining.