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AI data exposure incidents

Definition

Data exposure incidents involve confidential, personal, proprietary or otherwise sensitive information being unintentionally disclosed, leaked or made accessible as a result of an AI system's operation, misuse, or the practices of parties that deploy or interact with AI systems.

Included

  • Confidential material entered into third-party AI systems and retained or used in training
  • Outputs from AI systems that inadvertently reveal personal data
  • AI-enabled data scraping or aggregation that exposes protected information
  • Leaks of training data containing personal, proprietary or sensitive records
  • Breaches of AI platforms that expose user conversation histories or query logs

Excluded

  • Breaches where AI played no material role in the exposure
  • Intentional sharing of data by the subject themselves
  • Theoretical risk assessments without a documented event
  • Incidents classified primarily under a different category where data exposure was incidental
Data exposure incidents over time
Documented incidents per year of occurrence. *2026 to date.
Timeline chart: requires category field in dataset (planned)
Unit: incidents · Source: AI Incidents Index v2026.09 · Counts reflect documented incidents, not prevalence

Incident records

Category-level filtering is not yet available in this dataset release. Showing the 5 most recent incidents across the full index.

Sep 2026R. M. v. MohrCourtListenerSep 2026Florine Williams v. Wogan Group, LLC, D/B/A Chapel Ridge Apartments of Forrest CityCourtListenerSep 2026FTC Endorses Education Department Proposal to Expand Higher Education Accreditation OptionsFTCSep 2026AI-Assisted Cheating in English Exam Leads to Suspended Sentence in South KoreaOECDSep 2026Microsoft Patents AI System for Contextual In-Game AdvertisingOECD
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