It is rare that a week goes by without organised fraud dominating headlines, column inches or Twitter feeds. The value of these cases - such as ghost broking and 'crash for cash' motor fraud rings - is often in the millions of pounds, and the elaborate schemes concocted by the perpetrators provide an interesting insight into the criminal mind.
Opportunistic fraud, on the other hand, attracts much less publicity. It's still a crime but, as the moniker suggests, it's largely carried out on a random and individual basis, making it harder to detect.
But while opportunistic fraud may not be high on the public agenda, it is certainly a major issue for the insurance industry - with commentators approached by Post insisting it is just as big a concern as its showier relative.
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