“…Thus, we argue that, after the initial certification process is accomplished, continuous auditing of selected certification criteria is required to assure continuously reliable and secure cloud services and to establish a trustworthy CSC. Nevertheless, continuous auditing cannot be realized solely manually due to high costs and considerable expenditures, hence, requiring (semi-) automated auditing processes [7,31]. Automation enables efficient validation of individual customer requirements (e.g., data location), allows for automated management of certificates for cloud providers, and increases efficiency of audits [31,57].…”