1. A method performed under control of an end device, comprising: transmitting, to an access point, a probe request frame including a fake device identifier for the end device; receiving, from the access point, a probe response frame including information regarding the access point; determining whether the access point is an authenticated access point based at least in part on the information regarding the access point; and transmitting, to the access point, a connection request including an authentic device identifier for the end device.