IPHH Internet Port Hamburg GmbH has recently been certified by TÜV Rheinland as compliant with ISO/IEC 27001:2013.
Certfication-Register: 01 153 1600453

You may see information on their public website here:
https://www.certipedia.com/quality_marks/9108634043 or download the certficate here.

ISO 27001 is the world-leading standard for information security management systems (ISMS). It is an internationally recognised standard for evaluation the safety of informations and physical IT-environments. It specifies the requirements for planning, deployment, maintenance and improvement of an ISMS.