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Outage in DigiCert

DigiCert Alert - Go>Sign Mobile App – SMS OTP Issue

Resolved Minor
September 29, 2026 - Started 3 days ago - Lasted about 3 hours
Official incident page

Incident Report

Summary AI Generated

A security update to DigiCert's Go>Sign Mobile App required users to re-register their devices, during which automated security controls temporarily blocked some phone numbers from receiving SMS OTP codes. The issue caused delays in device registration for affected users, with blocks typically clearing within 15–30 minutes. The incident lasted approximately 3 hours before being fully resolved.

Following a recent security update, Go>Sign Mobile Application users are required to register their device again. Some users may experience delays in receiving the SMS OTP due to automated security controls temporarily blocking certain phone numbers. These temporary blocks typically clear within 15–30 minutes. If you do not receive the OTP, please wait one hour and try registering again once. We are tracking this issue under Case# 05155641 We apologize for any inconvenience this may cause you. DigiCert Support

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RESOLVED 2 days ago - at 09/29/2026 02:21PM

This incident has been resolved.

INVESTIGATING 3 days ago - at 09/29/2026 11:28AM

Following a recent security update, Go>Sign Mobile Application users are required to register their device again. Some users may experience delays in receiving the SMS OTP due to automated security controls temporarily blocking certain phone numbers.

These temporary blocks typically clear within 15–30 minutes. If you do not receive the OTP, please wait one hour and try registering again once.

We are tracking this issue under Case# 05155641

We apologize for any inconvenience this may cause you.

DigiCert Support

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