UK-based National Westminster (NatWest) Bank is emailing multiple customers, asking them to check their debit transactions over the last year. Due to a system error, many more payments may have been debited from customer accounts than the originally agreed-upon frequency. NatWest has apologised to all customers and is contacting all affected to make sure no one is left out of pocket. Customers can log in to their account and quote reference code ‘SO21’ in chat to connect to a bank representative who can specifically advise on this matter.
Source: https://www.bleepingcomputer.com/news/technology/natwest-bank-scheduled-payments-bug-may-have-cost-you-money/