Accidental Exposure of 38TB of Data by Microsoft AI Research
Attack on AI3 Confirmed exploitationData leak
Microsoft's AI research team accidentally exposed 38TB of sensitive data, including private keys and internal messages, via misconfigured storage tokens. The exposure occurred while publishing open-source training material.
Details
- type
- Attack on AIAn AI model, agent or AI-powered product was the thing exploited, abused or leaked.
- categories
- Data leakTraining data, chat logs, system prompts, model weights or other AI-system data exposed.
- Data leak
- owasp llm top 10
- mitre atlas
- no technique for these categoriesBoth rows are derived from the type and categories (OWASP 2025 edition, ATLAS release 2026.09), not classified per record. How
- severity
- 3 · Confirmed exploitationUsed against real targets; limited or unclear impact.
- targets
- Microsoft
- products
- Azure Storage
- incident date
- 22 Jun 2023
- first reported
- 22 Jun 2023
- origin
- AI Incident DatabaseDerived from the AI Incident Database (CC BY-SA 4.0).
- classifier confidence
- 0.95 · published at or above 0.80; see the methodology
- tags
- data-leak · azure · misconfiguration · credentials-exposure
- record
- created 2026-10-18 06:33Z · updated 2026-10-18 06:59Z · json
Sources · 1
- 2023-06-22Reported Accidental Exposure of 38TB of Data by Microsoft's AI Research TeamAI Incident Database · incidentdatabase.ai/cite/571
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