Abstract: The invention is related to a Connecting method for secure connecting of a Mobile Device System (10) to a Network (100), comprising the following steps: Sending a communication request (20) from the Mobile Device System (10) to a Network Operator (30) requesting a communication to the Network (100), Receiving the communication request (20) at the Network Operator (30) and extracting at least one specification information (22) out of the communication request (20) specifying the Mobile Device System (10), Forwarding the communication request (20) via a private Access Point Network (APN) to a Cleaning Hub (50) based on the specification information (22), Comparing the communication request (20) at the Cleaning Hub (50) to at least one communication policy (40), Allowing or denying the communication of the Mobile Device System (10) to the Network (100) requested with the communication request (20) based on the result of the comparison to the at least one communication policy (40).