The PKI for Fraunhofer Contacts is operated by the Fraunhofer Competence Center Public Key Infrastructures (CC-PKI), an organisational unit within Fraunhofer.
Fraunhofer Competence Center PKI
D-53757 Sankt Augustin
01802 FHGPKI (0 18 02 / 34 47 54) (6 ct/call from the German landline)
+49 (0) 22 41 / 14 - 14 14 (landline number, in general more favourable for mobile phone calls)
External communication partners are requested to convey any service requests to the CC-PKI via his/her partner at Fraunhofer. A direct support is generally not provided.