Method and arrangement for providing security-related services by a security module of a franking machine

A method for providing at least one safety-relevant service by a security module (6) of a franking machine (2) for at least a first application for data processing, which can be connected to a with the franking machine (2) data processing means (3, 4) is carried out in which the first application a requesting step (7.5) requests a safety-relevant first service from said security module (6) and the security module (6) in a said requesting step (7.5) following deployment step (7.10) provides the first service, wherein said security module (6) in a said providing step (7.10) preceding verification step (7.6) to request a permission of the first service by the first application verified.