'Frighteningly easy' for criminals to get Visa card details, study claims

It is "frighteningly easy" for criminals to get security details for a Visa debit or credit cards, according to research from Newcastle University.

Fraudsters are able to work out expiry dates and security code numbers by making multiple invalid attempts on different websites, the team claims.
It is thought a similar method was used in the recent Tesco Bank fraud hack.
Visa said the research did not take into account other layers of security such as its Verified by Visa system.
According to the research, which has been published in the journal IEEE Security & Privacy, fraudsters use a so-called Distributed Guessing Attack to get around security features put in place to stop online fraud.