If this transaction was not authorized by you, please let us know right away so we can cancel this card and prevent any further unauthorized use.
Dear [Customer Name],
Transaction withheld – Security flag – [Customer ID / Transaction ID] If this transaction was not authorized by you,
Important information about your recent transaction – [Last 4 digits of card] amount exceeds normal pattern
The transaction triggered a security rule (e.g., unusual location, amount exceeds normal pattern, merchant category mismatch with spending habits). If this transaction was not authorized by you,
Transaction withheld pre-authorization. Card status set to “temporarily restricted.”
Once you confirm this transaction is legitimate, we will release it for processing and restore full access to your card.