1. A method performed under control of an end device, the method comprising: receiving a fake device identifier from a mobile operating server; transmitting, to an access point, a probe request frame that includes the fake device identifier for the end device; receiving, from the access point, a probe response frame that includes information regarding the access point; determining that the access point is an authenticated access point based at least in part on the information in the probe response frame that indicates that: the access point is controlled by the mobile operating server, and the access point was connected with the end device previous to when the access point received the transmitted probe request frame; and transmitting, to the access point determined to be the authenticated access point, a connection request that includes an authentic device identifier for the end device.