AI Security Vulnerability

A Stanford study reveals that leading AI companies, including Anthropic, Google, and OpenAI, are defaulting to using user chat inputs for large language model (LLM) training. This practice, combined with opaque privacy policies and long data retention, creates significant privacy vulnerabilities, risking the collection and unintended use of sensitive personal and children's data.

What Happened

A Stanford study reveals that leading AI companies, including Anthropic, Google, and OpenAI, are defaulting to using user chat inputs for large language model (LLM) training. This practice, combined with opaque privacy policies and long data retention, creates significant privacy vulnerabilities, risking the collection and unintended use of sensitive personal and children's data.

Why This Matters

Current evidence identifies a security issue involving the affected technology, but does not yet support a more specific impact claim.

Recommended Action

No confirmed vendor remediation is available in the current evidence. Confirm whether the affected technology is present in your environment and review the affected configuration.

Exposure

Exposure reason: This incident does not currently match a technology in My AI Stack.

Exploitation status: UNKNOWN

Primary entities:

Timeline

• Incident first seen
  Oct 15, 2025 05:30

  BugSkan first recorded this incident.

• Be Careful What You Tell Your AI Chatbot - Stanford HAI
  Oct 15, 2025 05:30

  hai.stanford.edu · Research

Sources

My AI Stack Match