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Banamex Suffers Nationwide Mobile Outage as Customers Report Anomalous Transactions

The disruption exposes how weekend reliance on digital banking magnifies fraud concerns.

Overview

  • Banamex customers across Mexico lost access to the mobile app Saturday after failures that began late Friday.
  • DownDetector logged an early spike of 434 reports around 12:32 a.m. and a peak near 9:32 a.m., with roughly three in four issues tied to the app.
  • Users reported alerts of deposits or withdrawals they did not make, with some later finding unauthorized debits once they regained access.
  • Banamex said it was performing maintenance and directed customers to branches, ATMs, and BancaNet phone support for help.
  • No full fix had been confirmed by afternoon reports, disrupting routine weekend bill payments and transfers for many account holders.