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

> Source: <https://www.machinebrief.com/news/nvidia-unveils-security-platform-to-rein-in-ai-agents-and-do-815t>
> Published: 2026-09-28 15:32:57+00:00

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

By Guardian staff and agenciesSource: 

[The Guardian Technology](https://www.theguardian.com/us/technology)
Chipmaker says new system was designed to prevent AI agents from going rogue amid incidents at top companies

[Nvidia](https://www.theguardian.com/technology/nvidia) on Monday unveiled a new security platform that the chipmaker said can stop [artificial intelligence](https://www.theguardian.com/technology/artificialintelligenceai) agents from going rogue.

The company announced a $150bn stock buyback the same day.

[Continue reading...](https://www.theguardian.com/technology/2026/sep/28/nvidia-ai-agent-security-platform-stock-buyback)

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