Fraud committed against companies by their own employees has surged this year, data suggest, providing fresh evidence that the recession is fuelling a rise in crime.
Whistleblower hotlines operated by The Network, a US group that provides compliance services to some of the world's biggest companies, including half of the Fortune 500, have received a deluge of tip-offs about fraud in recent months.
Reports of fraudulent activity including theft, corruption and insider trading made up 21 per cent of all calls to the hotline in the first quarter, compared with 16.5 per cent last year and just 11 per cent three years ago.
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