Lloyds admits almost half a million banking customers affected by account glitch exposing transaction data

• Around 450,000 customers affected by recent banking app glitch
• Lloyds has made £139,000 in goodwill payments to more than 3,600 customers
• Treasury Committee wants two new updates after one and six months

As many as 447,936 banking customers may have had their data exposed or seen other bankers’ transactions during a computer glitch on March 12, 2026 affecting those using Lloyds, Halifax and Bank of Scotland mobile apps, a report has confirmed.

New findings from the Treasury Committee indicate that 114,182 users clicked on transactions that potentially allowed them to view sensitive information, such as account numbers and National Insurance numbers.