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Warren Questions Pentagon's xAI Agreement Amid Security Concerns

3/17/2026

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Summary

Story summary

Sen. Elizabeth Warren (D-Mass.) sent a letter to Defense Secretary Pete Hegseth seeking information about xAI's access to Pentagon classified networks and warning Grok could leak sensitive military information.
She requested documentation on Grok's security measures and the Department of Defense's evaluation of these safeguards.
The Pentagon confirmed an agreement with xAI to integrate Grok into its classified systems, despite concerns about Grok's reliability, and Warren asked about cyberattack protections.

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Story summary

Sen. Elizabeth Warren (D-Mass.) sent a letter to Defense Secretary Pete Hegseth seeking information about xAI's access to Pentagon classified networks and warning Grok could leak sensitive military information.
She requested documentation on Grok's security measures and the Department of Defense's evaluation of these safeguards.
The Pentagon confirmed an agreement with xAI to integrate Grok into its classified systems, despite concerns about Grok's reliability, and Warren asked about cyberattack protections.