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OpenAI Explains URL-Based Data Exfiltration Mitigations in New Paper

lowembracetheredPublished 2026-02-05

<p>Last week I saw <a href="https://cdn.openai.com/pdf/dd8e7875-e606-42b4-80a1-f824e4e11cf4/prevent-url-data-exfil.pdf">this paper</a> from OpenAI called “Preventing URL-Based Data Exfiltration in Language-Model Agents”, which goes into detail on new mitigations they’ve added.</p> <p><a href="https://cdn.openai.com/pdf/dd8e7875-e606-42b4-80a1-f824e4e11cf4/prevent-url-data-exfil.pdf"><i

Indicators of compromise

https://cdn.openai.com/pdf/dd8e7875-e606-42b4-80a1-f824e4e11cf4/prevent-url-data-exfil.pdfurl

Original source: https://embracethered.com/blog/posts/2026/data-exfiltration-mitigation-paper-by-openai/