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

> Source: <https://www.helpnetsecurity.com/2026/08/19/openai-model-safety-updates/>
> Published: 2026-08-19 08:48:40+00:00

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 while we conduct smaller-scale training and evaluations to assess model behavior, validate our safeguards, and establish more evidence of alignment before proceeding,” the company said. The move followed the OpenAI-Hugging Face incident and preliminary evidence that the company’s upcoming … [More ](https://www.helpnetsecurity.com/2026/08/19/openai-model-safety-updates/)

The post [OpenAI puts major frontier AI training run on hold over cyber risks](https://www.helpnetsecurity.com/2026/08/19/openai-model-safety-updates/) appeared first on [Help Net Security](https://www.helpnetsecurity.com).