Security Alarm Tampering Detected Please Reboot Verifone Jun 2026

The "Security Alarm Tampering Detected" error typically occurs when the Verifone payment terminal detects that someone has attempted to tamper with the device or its security mechanisms. This error is a security feature designed to prevent unauthorized access to the terminal and protect sensitive customer data.

Sudden power loss and brownouts are the #1 cause of false tamper alarms. A $50 UPS for your POS station will filter voltage and provide clean shutdowns. security alarm tampering detected please reboot verifone