Criminals can guess your Visa card details in just six seconds
Criminals can work out the card number, expiry date and security code for a Visa debit or credit card in as little as six seconds using guesswork, researchers have found. Experts from Newcastle University said it was “frighteningly easy” to do with a laptop and an internet connection. Fraudsters use a so-called Distributed Guessing Attack to get around security features put in place to stop online fraud, and this may have been the method used in the recent Tesco Bank hack.
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