ClassNK, TÜV Rheinland Team Up on Cybersecurity Services 13 November 2018 ClassNK and TÜV Rheinland have entered into a partnership agreement for cybersecurity services.Author: Capt. Johnhttps://worldmaritimenews.com/archives/264603/classnk-tuv-rheinland-team-up-on-cybersecurity-services/