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The Guardian - US
The Guardian - US
Technology
Guardian staff and agencies

Nvidia unveils security platform to rein in AI agents and $150bn stock buyback

Nvidia Jensen Huang Anthropic Hugging Face
a man in leather jacket and black pants stands in front of a crowd of journalists, a backdrop on the wall behind him saying 'nvidia' with green company logo
Nvidia’s CEO, Jensen Huang, attends the Q&A session with the media during the Nvidia/Japan AI Ecosystem reception in Tokyo on 16 July 2026. Photograph: Philip Fong/AFP/Getty Images

Nvidia on Monday unveiled a new security platform that the chipmaker said can stop artificial intelligence agents from going rogue.

The company announced a $150bn stock buyback the same day, the largest in US corporate history.

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