GCD AI RADAR
incidents/AIR-2023-0019

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 AI
An AI model, agent or AI-powered product was the thing exploited, abused or leaked.
categories
  • Data leak
    Training data, chat logs, system prompts, model weights or other AI-system data exposed.
mitre atlas
no technique for these categories
Both rows are derived from the type and categories (OWASP 2025 edition, ATLAS release 2026.09), not classified per record. How
severity
3 · Confirmed exploitation
Used 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 Database
Derived 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

  1. 2023-06-22
    Reported Accidental Exposure of 38TB of Data by Microsoft's AI Research Team
    AI Incident Database · incidentdatabase.ai/cite/571

Titles and links belong to their publishers. The summary above is written by GCD AI RADAR in its own words; data is CC BY-SA 4.0.

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