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Meat and potatoes Data are the meat and potatoes of fraud detection. You can have the brightest and most capable statistical modeling team in the world. But if they have crappy data, they will build crappy models. Fraud prevention models, predictive scores, and decisioning strategies in general are only as good as the data upon which they are built. How do you measure data performance? If a key part of my fraud risk strategy deals with the ability to match a name with an address, for example, then I am going to be interested in overall coverage and match rate statistics. I will want to know basic metrics like how many records I have in my database with name and address populated. And how many addresses do I typically have for consumers? Just one, or many? I will want to know how often, on average, we are able to match a name with an address. It doesn’t do much good to tell you your name and address don’t match when, in reality, they do. With any fraud product, I will definitely want to know how often we can locate the consumer in the first place. If you send me a name, address, and social security number, what is the likelihood that I will be able to find that particular consumer in my database? This process of finding a consumer based on certain input data (such as name and address) is called pinning. If you have incomplete or stale data, your pin rate will undoubtedly suffer. And my fraud tool isn’t much good if I don’t recognize many of the people you are sending me. Data need to be fresh. Old and out-of-date information will hurt your strategies, often punishing good consumers. Let’s say I moved one year ago, but your address data are two-years old, what are the chances that you are going to be able to match my name and address? Stale data are yucky. Quality Data = WIN It is all too easy to focus on the more sexy aspects of fraud detection (such as predictive scoring, out of wallet questions, red flag rules, etc.) while ignoring the foundation upon which all of these strategies are built.

In a continuation of my previous entry, I’d like to take the concept of the first-mover and specifically discuss the relevance of this to the current bank card market. Here are some statistics to set the stage: • Q2 2009 bankcard origination levels are now at 54 percent of Q2 2008 levels • In Q2 2009, bankcard originations for subprime and deep-subprime were down 63 percent from Q2 2008 • New average limits for bank cards are down 19 percent in Q2 2009 from peak in Q3 2008 • Total unused limits continued to decline in Q3 2009, decreasing by $100 billion in Q3 2009 Clearly, the bank card market is experiencing a decline in credit supply, along with deterioration of credit performance and problematic delinquency trends, and yet in order to grow, lenders are currently determining the timing and manner in which to increase their presence in this market. In the following points, I’ll review just a few of the opportunities and risks inherent in each area that could dictate how this occurs. Lender chooses to be a first-mover: • Mining for gold – lenders currently have an opportunity to identify long-term profitable segments within larger segments of underserved consumers. Credit score trends show a number of lower-risk consumers falling to lower score tiers, and within this segment, there will be consumers who represent highly profitable relationships. Early movers have the opportunity to access these consumers with unrealized creditworthiness at their most receptive moment, and thus have the ability to achieve extraordinary profits in underserved segments. • Low acquisition costs – The lack of new credit flowing into the market would indicate a lack of competitiveness in the bank card acquisitions space. As such, a first-mover would likely incur lower acquisitions costs as consumers have fewer options and alternatives to consider. • Adverse selection – Given the high utilization rates of many consumers, lenders could face an abnormally high adverse selection issue, where a large number of the most risky consumers are likely to accept offers to access much needed credit – creating risk management issues. • Consumer loyalty – Whether through switching costs or loyalty incentives, first-movers have an opportunity to achieve retention benefits from the development of new client relationships in a vacant competitive space. Lender chooses to be a secondary or late-mover: • Reduced risk by allowing first-mover to experience growing pains before entry. The implementation of new acquisitions and risk-based pricing management techniques with new bank card legislation will not be perfected immediately. Second-movers will be able to read and react to the responses to first movers’ strategies (measuring delinquency levels in new subprime segments) and refine their pricing and policy approaches. • One of the most common first-mover advantages is the presence of switching costs by the customer. With minimal switching costs in place in the bank card industry, the ability for second-movers to deal with an incumbent is not one where switching costs are significant issues – second-movers would be able to steal market share with relative ease. • Cherry-picked opportunities – as noted above, many previously attractive consumers will have been engaged by the first-mover, challenging the second-mover to find remaining attractive segments within the market. For instance, economic deterioration has resulted in short-term joblessness for some consumers who might be strong credit risks, given the return of capacity to repay. Once these consumers are mined by the first-mover, the second-mover will likely incur greater costs to acquire these clients. Whether lenders choose to be first to market, or follow as a second-mover, there are profitable opportunities and risk management challenges associated with each strategy. Academics and bloggers continue to debate the merits of each, (1) but it is the ultimately lenders of today that will provide the proof. [1] http://www.fastcompany.com/magazine/38/cdu.html

By: Ken Pruett The use of Knowledge Based Authentication (KBA) or out of wallet questions continues to grow. For many companies, this solution is used as one of its primary means for fraud prevention. The selection of the proper tool often involves a fairly significant due diligence process to evaluate various offerings before choosing the right partner and solution. They just want to make sure they make the right choice. I am often surprised that a large percentage of customers just turn these tools on and never evaluate or even validate ongoing performance. The use of performance monitoring is a way to make sure you are getting the most out of the product you are using for fraud prevention. This exercise is really designed to take an analytical look at what you are doing today when it comes to Knowledge Based Authentication. There are a variety of benefits that most customers experience after undergoing this fraud analytics exercise. The first is just to validate that the tool is working properly. Some questions to ponder include: Are enough frauds being identified? Is the manual review rate in-line with what was expected? In almost every case I have worked on as it relates to these engagements, there were areas that were not in-line with what the customer was hoping to achieve. Many had no idea that they were not getting the expected results. Taking this one step further, changes can also be made to improve upon what is already in place. For example, you can evaluate how well each question is performing. The analysis can show you which questions are doing the best job at predicting fraud. The use of better performing questions can allow you the ability to find more fraud while referring fewer applications for manual review. This is a great way to optimize how you use the tool. In most organizations there is increased pressure to make sure that every dollar spent is bringing value to the organization. Performance monitoring is a great way to show the value that your KBA tool is bringing to the organization. The exercise can also be used to show how you are proactively managing your fraud prevention process. You accomplish this by showing how well you are optimizing how you use the tool today while addressing emerging fraud trends. The key message is to continuously measure the performance of the KBA tool you are using. An exercise like performance monitoring could provide you with great insight on a quarterly basis. This will allow you to get the most out of your product and help you keep up with a variety of emerging fraud trends. Doing nothing is really not an option in today’s even changing environment.
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