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Zscaler: Increased CAPTCHA Challenges During Web Access

zscaler.com
September 2026 22 Minor incident

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.

Started

17:31 UTC

Duration

Lasted 1h 48m

Source

IsDown

Next time

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Affected components: Authentication

What happened?

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.

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