A months-long breach at the Defense Manpower Data Center exposed personal data, including Social Security numbers, of nearly 3.1 million current and former military personnel.
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Social Security numbers exposed in Pentagon data leak affecting millions
Headline from MLive ·
Newest
Hackers stole Pentagon personnel records of over 3 million people
A monthslong data breach targeting the human resources arm of the Department of Defense may have exposed the personal information of up to four million personnel, including U.S. service members, reports say.
2.76 million living people and 294,000 deceased had Social Security numbers and job details exposed in a Pentagon DMDC breach from October 2025 to July 2026.
A monthslong data breach targeting the human resources arm of the Department of Defense may have exposed the personal information of up to four million Defense Department personnel, including U.S. service members, reports say.
A monthslong data breach targeting the human resources arm of the Department of Defense may have exposed the personal information of up to four million Defense Department personnel, including U.S. service members, reports say.
It revealed the names, dates of birth, Social Security numbers, job specialties and other records of nearly 2.8 million living and 294,000 deceased individuals.
It's not clear how many of the over 3 million troops and others in a breached Pentagon database lost information like Social Security numbers to hackers.
Hackers gained unauthorized access to a Pentagon personnel database for months, exposing sensitive personal information belonging to more than 3 million current and former U.S. military personnel, civilian workers and others connected to the Defense Department.
The Pentagon's Defense Manpower Data Center (DMDC) is notifying millions of military service members that hackers stole their data after breaching the Pentagon's human resources management system in October 2025. [...]
A months-long breach at the Defense Manpower Data Center exposed personal data, including Social Security numbers, of nearly 3.1 million current and former military personnel.
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