Fraudulent behavior isn’t necessarily perpetuated by people hiding their identities. For example, legitimate customers sometimes use the credit card chargeback process to their advantage — and to the disadvantage of merchants. Others routinely abuse chargebacks to steal merchandise. Here’s how to protect your business from these types of “friendly” and sometimes dishonest fraud. Chargeback mechanics Friendly fraud pivots on a customer’s failure to communicate with a merchant. Instead of contacting a seller to discuss a problem with a good or service, some customers immediately dispute a charge with their bank or credit card company. They generally provide plausible reasons for the dispute and don’t mask their identify at any phase of the process. A chargeback takes time and effort to resolve. And if the bank or credit card...