Why one-file-at-a-time checking misses fraud rings

Organised loan fraud reuses the same phones, addresses and documents. Only checks across files can see it.

Fraud control6 Nov 20264 min read

A single fraudulent file can look perfectly clean. The giveaway is often what it shares with other files: the same mobile number, the same address, the same bank account, or the very same salary slip with a different name on it.

Signals worth watching

  • One mobile number or email on applications from unrelated people.
  • Several applicants giving the same residential or office address.
  • A bank account used to receive or repay on more than one unrelated loan.
  • An identical document, or a document from the same template, appearing on another file.
  • One sourcing channel with a much higher share of Red files than others.

Why it is hard to do by hand

No reviewer can remember thousands of files. These links only show up when every file is indexed and compared automatically, the moment it arrives.

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