Sainsbury's blames Visa card issues for online payment failure

Group 1 - J Sainsbury is currently addressing a payment processing issue with Visa that is affecting customers' ability to pay for online grocery orders [1][5] - The retailer has ruled out a cyberattack as the cause of the issue, stating that its website and app are functioning normally [1][5] - The incident highlights the heightened alertness within the retail industry regarding cybersecurity threats, following recent attacks on major retailers like Marks & Spencer and the Co-op [2] Group 2 - Marks & Spencer reported that a cyberattack would cost the company at least £300 million and led to the suspension of online orders for several months [3] - The Co-op experienced significant disruptions in in-store product availability for several weeks due to similar issues [5]