Patent ID: 7542569

Claim:
A method, comprising: providing security of data connections in an arrangement comprising a telecommunication network comprising subscribers, a first private data network connected to the telecommunication network, a second private data network connected to the telecommunication network via the first private network, the second private data network comprising a server providing data services; authenticating the subscriber between the telecommunication network and the first private data network using an authentication procedure provided by the telecommunication network; forming, in the first private network, a message comprising the identification of the subscriber received from the telecommunication network and an authenticity code of the message; determining, in the first private data network, the identity of the server of the second private data network based on the received identification of the subscriber; sending said message to the server of the second private data network; and in response to having received the message in the second private data network: verifying the authenticity code, checking the identified user's right to the requested service, and when the user is entitled to the requested service, generating and sending a reply to the first private data network.