Forty per cent of Brits who had been victims of online ID theft said they had no idea how it had occurred, with 52 per cent discovering what had happened after being informed by their bank.
However, many people are failing to heed security advice as the survey shows that 43 per cent of Brits have shared internet passwords with family members and 42 per cent use an important date or name as their passwords.
Chief information security officer for PayPal Michael Barrett said: "Consumers everywhere can stay one step and better protect themselves online by following a few simple tips."
Meanwhile, Computer Weekly has reported that one in four people were placed at risk last year by details lost or stolen from financial services firms.
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