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[TECHNOLOGY] · United States · 96 sources

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OpenAI pauses Astra AI development over critical cybersecurity risks

OpenAI has partially suspended internal development and testing of its upcoming AI model, Astra, after preliminary evaluations suggested the model may possess "critical" cybersecurity capabilities. Under the company's Preparedness Framework, a "critical" designation indicates a model could autonomously identify and exploit zero-day vulnerabilities in highly secure real-world systems or execute complex, end-to-end cyberattacks with minimal human guidance.

In response to these findings, OpenAI is implementing heightened security measures. These include moving Astra development into isolated, sandboxed testing environments with restricted network and tool access, increasing model weight encryption, and deploying universal monitoring for agentic applications to detect high-risk behaviors. The company also clarified that Astra was not involved in the July hacking incident targeting the Hugging Face platform.

OpenAI intends to collaborate with government agencies and AI safety organizations to conduct rigorous external evaluations of the model's capabilities. CEO Sam Altman stated that the company is working toward making Astra generally available, noting that it is not a good strategy to limit powerful models to a select few.

Entities

AI safety organizations · Anthropic · Astra · GPT‑5.6‑Sol · Hugging Face · Lean 4 · OpenAI · Preparedness Framework · Sam Altman · U.S. government · U.S. government agencies · Zero‑day exploit

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