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Chinese Hackers Breach U.S. Agencies, Dismiss Allegations

7/24/2025

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Summary

Story summary

Chinese state-sponsored hackers have infiltrated several U.S. government agencies, including the National Nuclear Security Administration, exploiting weaknesses in Microsoft’s SharePoint software. Other targets include the Department of Education and Florida's Department of Revenue. As Microsoft probes the breach, China dismisses the claims as “unfounded speculation,” raising concerns over national security.

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Story summary

Chinese state-sponsored hackers have infiltrated several U.S. government agencies, including the National Nuclear Security Administration, exploiting weaknesses in Microsoft’s SharePoint software. Other targets include the Department of Education and Florida's Department of Revenue. As Microsoft probes the breach, China dismisses the claims as “unfounded speculation,” raising concerns over national security.