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Outage in Zscaler

Increased CAPTCHA Challenges During Web Access

Resolved Minor
September 22, 2026 - Started about 7 hours ago - Lasted about 2 hours

Incident Report

Summary AI Generated

**Zscaler experienced a minor incident lasting approximately 1.8 hours in which users encountered repeated CAPTCHA challenges when accessing websites through the Zscaler proxy.** The issue affected authentication components, with Zscaler teams identifying Google traffic as a key area of impact. The recommended resolution involved enabling SSL/TLS inspection for affected Google traffic and reviewing any applicable inspection exceptions, with Zscaler Support available for customers requiring further assistance.

Zscaler teams are investigating reports of repeated CAPTCHA challenges when accessing websites through Zscaler. Teams are assessing the scope and extent of customer impact and will update the impact details as more information is confirmed.For detailed updates, please check the Service Status section in your Zscaler customer support portal (CSP). Status changes and additional details will be posted there as they become available.Update - Tue, 22 Sep 2026 18:15:27 UTCZscaler teams continue to investigate repeated CAPTCHA challenges affecting web access. Enabling SSL/TLS inspection for affected Google traffic may reduce these prompts. Administrators should confirm that inspection is applied to Google traffic and review any applicable inspection exceptions, consistent with their organization’s security requirements. Customers experiencing continued impact or requiring configuration assistance should contact Zscaler Support.
Components affected
Zscaler Authentication

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