Providing security in an unlicensed mobile access network

Whenever the invention provides in an energy-saving mobile to the seat (MS) mobile sign information by receiving and a mobile mark is no matching in mobile mark of MS related memory discards or rejects the information, wherein providing secure method in mobile non-license's access network. The mobile mark matched with whenever received in mobile mark of MS related memory, the information of flexible. Mobile mark is provided by the security gateway. Mobile mark capable of the international mobile user identity and temporary mobile user mark and packet temporary mobile user mark and special Internet protocol address or a common IP address. Message capable of the login request, a uplink message or a downlink message, such as mobility management and a general packet radio service mobility management message, or UMA or non-license radio resource information.