Applying centrality to fraud detection

Fraud is one of the major sources of loss for private companies, as well as public institutions. It takes many different forms, from duplicating user accounts to insurance or credit card fraud. Of course, depending on the type of fraud you are interested in, solutions for identifying fraudsters will vary. In this section, we are going to review the different types of fraud and how a graph database such as Neo4j can help in identifying fraud. After that, we will learn how centrality measures (the main topic of this chapter) are able to provide interesting insights regarding fraud detection in some specific cases.