Most Ponzi schemes are penny-ante affairs, such as chain letters, that bilk their victims out of a few dollars each.

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The consumer groups involved in the exercise each spent three hours scouring the internet for bogus homeworking schemes, business opportunities, lotteries, chain letters and pyramid investment plans - known as cyber-scams.

BBC: website

"I get 20 letters a week of supply-chain jargon, " he says.

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"Time and time again communication is passed up the chain of command but when I was there it didn't change dramatically - the letters were sent off about the potential dangers, but things just stayed the same, " he added.

BBC: Northern Ireland