Security News > 2016 > December > Have Tesco Bank attackers guessed victims’ payment card details? (Help Net Security)

A group of researchers from Newcastle University have discovered a practical and easy way for attackers to quickly guess individuals’ Visa payment card info needed to perform fraudulent card-not-present transactions (e.g. when online shopping). Actions and parties in online payment They dubbed the method Distributed Guessing Attack, and believe it likely that it has been used in the recent attacks against Tesco Bank customers, to steal around £2.5 million from some 9,000 customers through fraudulent … More →

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