> OpenAI patches ChatGPT flaw that smuggled data over DNS

[SOURCE] The Register Security [AUTHOR: Thomas Claburn] [DATE: 30/03/2026 19:36] [LANGUAGE: EN]

Check Point says outbound controls blocked web traffic but overlooked DNS OpenAI talks up data security for its AI services, yet Check Point says that ChatGPT allowed data to leak through a DNS side channel before the flaw was fixed.…

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