The advent of cloud computing allows the provision of several commodities "as-a-service". For enterprise systems, a particularly interesting business model is the offer of configurable business processes for different consumers, which can then outsource their execution onto the cloud. Although such an outsourcing harbors a vast economic potential, both external and internal auditing pose a general challenge for their acceptance. This paper reviews the role of remote auditing as a means to address this issue and indicates research directions for automated tool support.