Which? Money is urging fraud victims who have been refused reimbursement to ask the financial ombudsman service (FOS) to review their cases, following new guidance on handling fraud complaints issued to banks.
Which? estimates £320m lost to fraud could have been prevented with the long-overdue system, but some customers remain unprotected.
Which? Money has found the way banks treat fraud victims continues to be a lottery, despite the introduction of new industry standards.