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Global

Pentagon data breach of military personnel raises national security concerns

·Source: DataBreaches.net

Updated:

Executive Summary

Sean Lyngaas and Davis Winkie report: A data breach at the Pentagon’s vast HR system has exposed Social Security numbers and other personal information of current and former military personnel, raising counterintelligence concerns among national security experts. “Unauthorized users” gained access to a vulnerable computer server belonging to the Defense Manpower Data Center (DMDC) beginning... Sou

Analysis

Sean Lyngaas and Davis Winkie report: A data breach at the Pentagon’s vast HR system has exposed Social Security numbers and other personal information of current and former military personnel, raising counterintelligence concerns among national security experts. “Unauthorized users” gained access to a vulnerable computer server belonging to the Defense Manpower Data Center (DMDC) beginning... Source
Source Attribution

Originally published by DataBreaches.net on Sep 26, 2026.

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