The present invention relates to a system comprising an interface device (100) for an intelligent electronic device (200), an intelligent electronic device (200) for substation automation and/or distribution automation and a security server (500), wherein said interface device (100) comprises a data interface (110) for establishing data communications with said intelligent electronic device (200), and a user interface (120) for exchanging data with a user (300) of said interface device (100), wherein said interface device (100) is configured to provide browser means (130) for accessing said intelligent electronic device (200) via said data interface (110), wherein the security server (500) is configured to check an authorization of the interface device (100) by access control means (520) and to control access of the interface device (100) to the intelligent electronic device (200).