They also allow up to 20 attempts per card on each site. The two weaknesses being taking advantage of are as follows: Neither weakness is of much use alone, but when used together, an attacker can recover a credit card's security information in as little as six seconds. And now it seems, they can 'guess hack' a credit card in mere seconds.Ī team of researchers at Newcastle University discovered two weaknesses in the way online transactions are verified using the Visa payment system.
But it's also a boon period for fraudsters who are trying to steal those precious card details.
'Guessing Attack' Bypasses Credit Card Security in 6 Secondsĭecember is always a very busy time for the banks and credit card companies as we all scramble to purchase presents in time for Christmas.