The security of wireless LANs has been a source of concern for businesses and individuals who are aware of its advantages due to its flexibility. With the increase in the use of wireless LANs for enterprises and homes, where information assets are shared continually, security is of the essence. With the increase in ecommerce and eservices, there is the risk of identity and credit card theft. Th...

In this paper, we examine how county unemployment rates affect consumers’ delinquency and bankruptcy behavior by focusing on the credit card market. In particular, after controlling for credit supply and shocks like divorce and health coverage we investigate whether consumer propensity for delinquency and bankruptcy changes with respect to the macroeconomic fluctuations across counties. Our res...

INTRODUCTION As a conseguence of expansion of modern technology , the number and scenario of fraud are increasing dramatically. Therefore, the reputation blemish and losses caused are primary motivations for technologies and methodologies for fraud detection that have been applied successfully in some economic activities. The detection involves monitoring the behavior of users based on huge dat...

A growing amount of consumers are making purchases online. Due to this rise in online retail, online credit card fraud is increasingly becoming a common type of theft. Previously used rule based systems are no longer scalable, because fraudsters can adapt their strategies over time. The advantage of using machine learning is that it does not require an expert to design rules which need to be up...

The negative effect of financial crimes on institutions has grown dramatically over the years. To detect such as credit card fraud, several single and hybrid machine learning approaches have been used. However, these significant limitations no further investigation different algorithms for a given dataset were studied. This research proposes investigates seven models to fraudulent activities wi...

CREDIT CARD TRANSACTIONS CONtinue to grow in number, taking an ever-larger share of the US payment system and leading to a higher rate of stolen account numbers and subsequent losses by banks. Improved fraud detection thus has become essential to maintain the viability of the US payment system. Banks have used early fraud warning systems for some years. Large-scale data-mining techniques can im...