METHOD OF OPERATING A NETWORK

A method 200 of operating a telecommunications network (100), the telecommunications network comprising: User Equipment (UE) (110); a first Wireless Local Area Network (WLAN) (130), identifiable by means of a first network identifier: a hidden WLAN (130); and a target WLAN (130); and the method comprising the steps of: configuring the hidden WLAN so as to have a hidden network identifier that is cryptographically derived from the first network identifier (240)); by means of the UE: retrieving, from the first WLAN, the first network identifier (230); cryptographically processing the retrieved first network identifier thereby to derive the hidden network identifier (240); searching for a WLAN using the derived hidden network identifier (250): and requesting a connection to, or via, the target WLAN only after discovering the hidden WLAN (270). There is also provided a method of operating the User Equipment (UE), a method of operating set of Wireless Access Points (120), as well as User Equipment, a set of Wireless Access Points. and a telecommunications system therefor.