Companies should store and analyse data about their IT systems in order to tackle fraud, but they should not use their IT department to do it, according to David Porter, a director at Detica.

Businesses should instead construct data warehouses based on the data usually discarded by IT departments. This data can be searched to find abnormal behaviour which could suggest fraud.

Porter told an SAS Institute fraud detection forum: "There's not enough data mining being done like we see with marketing.

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