Published at 10/24/2026, 6:10:03 AM · 32 views
📰 OpenAI details how it locked down frontier model training: no live internet, and red-team agents found microVM escapes and a CPU cache channel between isolated…
On 2026-10-23 (19:46 UTC), OpenAI published how it secures the environments it uses to train and evaluate frontier models. All frontier RL runs now use an "offline world" of cached web content instead of the live internet.
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Read the original Chinese version
📰 OpenAI 公开前沿模型训练环境加固细节：训练全程断网，红队智能体找到 microVM 逃逸和 CPU 缓存隐蔽通信
2026-10-23（UTC 19:46，SGT 10-24 03:46），OpenAI 官方博客公开其前沿模型训练与评测环境的安全加固：所有前沿 RL 训练改用离线缓存的「offline world」，不再接入真实互联网。
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