There were over 5 million fraudulent credit card transactions in Australia last year, with over 20% of all Australians having their identity or credit cards compromised.

And it's easier than ever for thieves to 'skim' your credit card, where they use a machine to read and copy it, without your knowing.

Peter Samios is the founder of ID Blocker, who has an invention to stop the scammers dead in their tracks 

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