Accounting Commons^™

Securing Big Data Provenance For Auditors The Big Data Provenance Black Box As Reliable Evidence, Deniz Appelbaum

Department of Accounting and Finance Faculty Scholarship and Creative Works

The purpose of this article is to highlight a main issue regarding reliable audit evidence derived from Big Data—that of secure data provenance. Traditionally, audit evidence external to the client has been regarded as superior to other forms of evidence. However, regarding external “messy” Big Data sources that may be material to aspects of the audit, these sources may lack provenance and verifiability. That is, the origins of the data may be unclear and its log files incomplete. According to the standards, such evidence should be considered as less reliable for audit evidence. External auditors, as outsiders of the client, …