---
title: "Transaction Error Message: Authentication failed due to suspected fraud"
description: Card issuer has returned suspected fraud. Cardholder must contact their bank if transaction believed to be genuine. Do not reattempt.
url: "https://www.trustprotects.me/faqs/transaction-error-message-authentication-failed-due-to-suspected-fraud/"
updated: "2023-08-08"
category: What to do when a Transaction is declined
---

# Transaction Error Message: Authentication failed due to suspected fraud

Card issuer has returned suspected fraud.

Cardholder must contact their bank if transaction believed to be genuine. Do not reattempt.