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United States of America Patent
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Aug 6, 2002
Grant Date -
N/A
app pub date -
Dec 20, 1996
filing date -
Dec 20, 1996
priority date (Note) -
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status (Latency Note)
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Abstract
Apparatus for fraud detection for an account includes a plurality of N statistical estimators which estimate the likelihood of a transaction being fraudulent from data about a transaction on the account and transaction history of the account. A statistical estimator is provided which computes an estimate of the likelihood of a particular signature being that of a person authorized to sign on the account from an exemplar of the signature and a history of previous signatures. A combiner produces a combined probability estimate from the plurality of N statistical estimators and the statistical estimator.
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