Every year, e-service providers report losses of billions of dollars due to fraud. Despite their huge efforts in implementing sophisticated fraud detection systems on top of their e-services, fraud effects seem to be rather increasing than decreasing. As a result, fraud risk assessment has been introduced as a fundamental part of e-service providers’ prevention strategies. In particular, identi...

The study examined the effect of fraud risk management techniques on reduction in oil and gas sector Nigeria. used primary data which were obtained through a structured questionnaire. population consisted 106 staff two top firms A total 54 purposively selected from accounting department 52 department. They due to their knowledge expertise field study. hundred copies questionnaire retrieved, ana...

The main purpose of this paper is to introduce the Dempster-Shafer theory (“DS” theory) of belief functions for managing uncertainties, specifically in the auditing and information systems domains. We illustrate the use of DS theory by deriving a fraud risk assessment formula for a simplified version of a model developed by Srivastava, Mock, and Turner (2007). In our formulation, fraud risk is ...

In this paper, the authors examine how different types of fraud in most Information Technology (IT) environments affect an audit risk model from 2001 through 2008. Variations in IT fraud are questionable for determining the audit risks that affect audit quality and report. The data sources in this study came from the Computer Crime and Security Survey report (CSI) 2008. By relating different IT...

Telecom providers are losing tremendous amounts of money due to fraud risks posed to Telecom services and products. Currently, they are mainly focusing on fraud detection approaches to reduce the impact of fraud risks against their services. However, fraud prevention approaches should also be investigated in order to further reduce fraud risks and improve the revenue of Telecom providers. Fraud...

This study investigates the nature and extent to which managerial attitudes influence fraud risk perceptions, observations and experiences of audit partners. Using a sample of 5,603 client acceptance and audit continuance assessments at a Big Four audit firm in the Netherlands, this study finds that: (1) manager integrity, honesty, and ethics are considered by audit partners to be of highest im...

both academic and auditing firms have been searching for ways to detect corporate fraud. The main objective of this study was to present a model to detect financial reporting fraud by companies listed on Tehran Stock Exchange (TSE) using genetic algorithm. For this purpose, consistent with theoretical foundations, 21 variables were selected to predict fraud in financial reporting that finally, ...

Title of dissertation: Securities Fraud: An Economic Analysis Yue Wang, Doctor of Philosophy, 2005 Dissertation directed by: Professor Lemma Senbet, Professor Nagpurnanand Prabhala Department of Finance This thesis develops an economic analysis of securities fraud. The thesis consists of a theory essay and an empirical essay. In the theory essay, I analyze a firm’s propensity to commit securiti...