US cybersecurity and intelligence agencies (CISA, NSA, FBI) alleged on September 9, 2026, that six Chinese AI companies conducted industrial-scale distillation attacks on American frontier AI models since late 2024, extracting billions of tokens. China denied the allegations.
The US government accused six Chinese artificial intelligence companies on September 8–9, 2026, of maliciously and at industrial scale copying technology from American AI firms. The US urged the firms to identify and quietly switch Chinese users to less-capable models.