Lloyds Banking Group App Glitch Exposes Customer Data
Customers of Lloyds, Halifax and Bank of Scotland experienced a significant security breach on Thursday, March 12, 2026, when a technical glitch allowed some users to view other customers’ transaction details. The issue, which affected mobile banking apps, raised concerns about data privacy and security within the Lloyds Banking Group.
What Happened?
The glitch enabled customers to see charges and payments made by individuals other than themselves. One Bank of Scotland customer reported viewing the accounts of six different users, including National Insurance numbers, over a 20-minute period . The exposed data included transactions from various locations, such as a pub in Newcastle, international card fees, and wage payments. Benefits payments referencing National Insurance numbers were also visible .
Which Banks Were Affected?
The issue impacted customers using the mobile apps for Lloyds, Halifax, and Bank of Scotland. Downdetector.com reported a spike in issues with Halifax and Lloyds apps between 07:00 and 09:00 GMT, with a smaller spike on the Bank of Scotland app .
Lloyds Banking Group’s Response
A spokesperson for Lloyds Banking Group apologized for the issue and confirmed that the glitch had been resolved . The group is currently investigating the cause of the problem . They stated the issue was “quickly resolved” and are working to determine how it occurred .
What Was the Extent of the Breach?
The exact number of customers affected remains unclear. However, reports indicate the issue was widespread enough to cause concern among users and attract attention from personal finance experts like Martin Lewis, who inquired about the extent of the problem on X (formerly Twitter) .
Previous Outages
This incident follows a similar outage in February 2025, which affected approximately 1.2 million people in the UK across multiple banks .
Where to Locate More Information
For rates and charges related to Lloyds Bank accounts, visit the Lloyds Bank website. General banking queries can be directed to 0345 300 0000 (from within the UK) or +44(0)1733 347 007 (from abroad) .