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Usebraintrust cybersecurity incidents and threat signals
usebraintrust.com
This company page brings together public reporting currently associated with Usebraintrust. It reflects signals published by Shadow Tier and should not be read as a complete incident history.
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June 29, 2026
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Based on all published signals currently linked to Usebraintrust. Affected countries come from victim data; the company country above remains a separate profile fact. Counts describe this reporting set, not overall incident prevalence.
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Braintrust Confirms Unauthorized Access to AWS Account
Braintrust, an AI evaluation and observability startup, confirmed unauthorized access to one of its AWS accounts after suspicious behavior was reported on May 4, 2026. The company advised customers to rotate their organization-level AI provider keys stored within the platform. One customer was confirmed impacted, and broader exposure had not been identified at the time of reporting. Exposed data included AI provider API keys and customer secrets used to access cloud-based AI models.
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What does the Usebraintrust page include?
It combines a reviewed organization profile with all current published Shadow Tier signals explicitly linked to Usebraintrust.
Does every mention of Usebraintrust appear here?
No. A signal must contain a reliable company connection and meet the publication criteria; incidental or ambiguous mentions are excluded.
Why can the incident count change?
The page follows current published reporting. Counts change as new evidence is added, classifications are reviewed, or older signals leave the reporting window.