OpenAI puts major frontier AI training run on hold over cyber risks

Source: Help Net Security· Anamarija Pogorelec· August 19, 2026
OpenAI puts major frontier AI training run on hold over cyber risks

OpenAI temporarily paused reinforcement learning (RL) training on its latest models intended for deployment for two weeks while it hardened and red-teamed research environments and expanded monitoring. “Our largest planned frontier RL run remains on hold whil…

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