Original publicity: http://www.channel4.com/news/millions-of-barclays-card-users-exposed-to-fraud http://www.channel4.com/news/millions-of-barclays-card-users..

Original publicity: http://www.channel4.com/news/millions-of-barclays-card-users-exposed-to-fraud http://www.channel4.com/news/millions-of-barclays-card-users... Though the story moved on since then to reveal other credit card providers were also susceptible and that it is a general problem with the specification.