Prepaid Fraud

Prepaid services offer significant opportunities for fraud

On a global scale, prepaid wireless fraud is estimated to run between 1 percent to 5 percent of growth service revenues (Q Comm International).

There are significant opportunities for fraud within all the links of the prepaid value chain, with abuse being perpetrated by distributors, dealers, internal employees and external customers alike.  Operators face typical fraudulent behaviour, such as stolen vouchers, as well as compromise by their own employees, who are able to apply manual credits and service changes to account details to allow free calls to be made.

The diverse elements of prepaid fraud means that fraud departments have to monitor using a variety of techniques, depending on the implementation of the prepaid service.

MinotaurCloud Fraud Management Solution offers high level accuracy in detecting fraud by taking both event data records, such as SS#7, IPDR, switch, call detail records (CDRs), etc., as well as any available customer data, including balance reconciliation (usage vs recharge), top up attempt behaviour, credit cards used with other accounts, recharge profiles, customer care information, etc. This enables the solution to detect abnormalities such as:

• Usage beyond credit level
• Abnormally high levels of credit being made
• Occurrence of calls without deductions to credit level
• Use of multiple credit cards
• Single credit card used on multiple transactions

In addition the solution features:

• Usage profiling - highlighting cases where telephones have been credited fraudulently through abrupt changes in calling patterns
• Destination profiling - identifying high usage, especially to suspicious or 'hot' destinations

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