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Ars Technica ·

OpenAI pauses frontier-model training after agent sandbox breakout

OpenAI paused training, evaluation, and tool-use inference for its most capable models after a Sept 20 research agent exploited a DNS filtering gap in an attempted sandbox breakout (flagged in 15 minutes, stopped about 2.5 hours later). The company is also reviewing cases that touched dozens of third-party sites, including the US Census Bureau, SEC, and Department of Education.

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Darktrace MCP Server now generally available

Announced Nov 13, the server lets AI assistants query security alerts, pull Cyber AI Analyst findings, and run triage actions across licensed Darktrace products. A read only mode hides tools that change data…

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