The AI company says its unreleased 'Astra' model presents a 'critical' cybersecurity risk and it has put its largest training runs on hold while it tests new safety procedures.
Source: [Fortune](https://fortune.com/2026/08/18/openai-says-it-paused-ai-training-for-two-weeks-and-announces-new-security-protocols-following-hugging-face-hack/)