Google Security Products Status Dashboard

Google Security Products Status Dashboard
Incidents
Mandiant Digital Threat Monitoring customers experienced elevated 431 errors.

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Service information
Service disruption
Service outage

Incident affecting Mandiant Attack Surface Management, Mandiant Digital Threat Monitoring

Mandiant Digital Threat Monitoring customers experienced elevated 431 errors.

Incident began at 2026-01-05 19:50 and ended at 2026-01-06 09:00 (all times are US/Pacific).

Previously affected location(s)

Global

Date	Time	Description
6 Jan 2026	09:59 PST	Summary Mandiant Digital Threat Monitoring customers experienced elevated 431 errors. Description: The issue with Mandiant Digital Threat Monitoring has been resolved for all affected users as of Tuesday, 2025-01-06 09:00 US/Pacific. A recent update to the underlying hosting service caused our authentication request sizes to exceed standard platform constraints. Our engineering team resolved the issue by rolling out a fix to production. We thank you for your patience while we worked on resolving the issue. Symptoms: Affected customers may have observed 431 errors while attempting to access Mandiant Digital Threat Monitoring through the Google Threat Intelligence UI. Workaround: No workaround at this time.
6 Jan 2026	01:06 PST	Summary Mandiant Attack Surface Management and Mandiant Digital Threat Monitoring customers observing error 431. Description: We are experiencing an issue with Mandiant Attack Surface Management and Mandiant Digital Threat Monitoring, beginning on Monday, 2026-01-05 19:50 PST. Our engineering team continues to actively investigate the root cause and is dedicated to mitigating the issue for all customers. We will provide more information by Tuesday, 2026-01-06 10:00 PST with current details. Symptoms: The affected customers may observe error 431 while attempting to access Mandiant Attack Surface Management and Mandiant Digital Threat Monitoring through the Google Threat Intelligence UI. Workaround: No workaround is currently available. A previously suggested step to clear cookies for advantage.mandiant.com is now believed to be ineffective for most affected customers.
6 Jan 2026	00:05 PST	Summary Mandiant Attack Surface Management and Mandiant Digital Threat Monitoring customers observing error 4xx. Description: We are experiencing an issue with Mandiant Attack Surface Management and Mandiant Digital Threat Monitoring, beginning on Monday, 2026-01-05 19:50 PST. Our engineering team continues to actively investigate the root cause and is dedicated to mitigating the issue for all customers. We will provide more information by Tuesday, 2026-01-06 02:00 PST with current details. Symptoms: The affected customers may observe error 4xx while attempting to access Mandiant Attack Surface Management and Mandiant Digital Threat Monitoring through the Google Threat Intelligence UI. Workaround: No workaround is currently available. A previously suggested step to clear cookies for advantage.mandiant.com is now believed to be ineffective for most affected customers.
5 Jan 2026	22:08 PST	Summary Mandiant Attack Surface Management and Mandiant Digital Threat Monitoring customers observing error 4xx. Description: We are experiencing an issue with Mandiant Attack Surface Management and Mandiant Digital Threat Monitoring, beginning on Monday, 2026-01-05 19:50 PST. Our engineering team continues to actively investigate this issue and is working diligently toward a full resolution for all affected customers. We will provide more information by Tuesday, 2026-01-06 01:00 PST with current details. Symptoms: The affected customers may observe error 4xx while attempting to access Mandiant Attack Surface Management and Mandiant Digital Threat Monitoring through the Google Threat Intelligence UI. Workaround: To temporarily restore access, affected customers can clear cookies for advantage.mandiant.com. Service degradation may still be observed.
5 Jan 2026	21:27 PST	Summary Mandiant Attack Surface Management and Mandiant Digital Threat Monitoring customers observing error 4xx. Description: We are experiencing an issue with Mandiant Attack Surface Management and Mandiant Digital Threat Monitoring, beginning on Monday, 2026-01-05 19:50 PST. Our engineering team continues to investigate the issue. We will provide more information by Monday, 2026-01-05 23:00 PST with current details. Symptoms: The impacted customers may observe error 4xx while attempting to access Mandiant Attack Surface Management and Mandiant Digital Threat Monitoring through the UI. Workaround: None at this time.
5 Jan 2026	21:08 PST	We are experiencing an issue with Mandiant Attack Surface Management and Mandiant Digital Threat Monitoring, beginning on Monday, 2026-01-05 19:50 PST. Our engineering team continues to investigate the issue. We will provide more information by Monday, 2026-01-05 22:00 PST with current details. We apologize to all who are affected by the disruption.

All times are US/Pacific