The authors of »Security and Authorizations for SAP Business Technology Platform«

Martin Koch

Martin Koch is the managing director of CloudDNA GmbH, an SAP partner in Austria. He and his team conduct training for SAP and have developed four of their own training courses on the topics of SAPUI5, SAP Fiori, cloud integration, and cloud security, which are listed in the SAP training catalog. In addition to his work as a trainer, Martin works as an architect, consultant, and developer for international SAP customers of all company sizes. 

Siegfried Zeilinger

Siegfried Zeilinger is a freelancer and managing director of a small management consultancy. His focus is on consulting and security audits of IT systems as well as authorization and identity management for SAP. Before becoming self-employed in 2011, he worked at SAP Austria as an SAP NetWeaver and portal consultant and carried out major international projects. Today he conducts training courses for SAP on the topics of authorizations, SAP Cloud, and SAP NetWeaver.
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