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Hackers Stole Millions of US Military Personnel Records During Months-Long Data Breach (techcrunch.com)

(Wednesday September 30, 2026 @05:00PM (BeauHD) from the another-day-another-breach dept.)


A months-long breach of the Defense Manpower Data Center [1]exposed personal information belonging to roughly 2.8 million living current and former U.S. military personnel and staff , plus records for nearly 300,000 deceased people. Attackers [2]reportedly exploited a file-sharing vulnerability between October 2025 and July 2026, accessing unencrypted records that included Social Security numbers, dates of birth, demographic information, and military service details. TechCrunch reports:

> The DMDC may not be widely known to the general public, but serves as one of the Department of Defense's records-keeping units. The DMDC maintains over 60 million records for U.S. military and civilian staff and their family members to help determine benefits and entitlements, such as healthcare and retirement. The unit also provides a critical service as the military's "leading identity management provider," which links active service members, employees, and contractors to credentials, such as smart cards and passwords. These are used to access Pentagon computer systems, buildings, and bases.

>

> "We make sure that the right people get access and the wrong people don't: security of identity information is paramount," the DMDC's website reads. The Department of Defense, which oversees the DMDC, said it does not have any indication that the information was misused, but did not say how it reached that conclusion. TechCrunch contacted a Pentagon spokesperson to ask if officials had any communications from the hackers, whose identities are not known, but we did not hear back.



[1] https://techcrunch.com/2026/09/30/hackers-stole-millions-of-us-military-personnel-records-during-months-long-data-breach/

[2] https://www.reddit.com/r/AirForce/comments/1wmotdr/question_about_data_breach_letter/



Heh (Score:2)

by drinkypoo ( 153816 )

"The Department of Defense, which oversees the DMDC, said it does not have any indication that the information was misused, but did not say how it reached that conclusion."

Hear no evil...

No surprises (Score:2)

by Bahbus ( 1180627 )

DMDC is run by morons who are neither web developers nor security experts. It's more or less a bunch of useless MBA-type retards.

Re: (Score:3)

by Moryath ( 553296 )

Well yeah, TreasonBitch Trump and Apartheidist RetardedShit Musk's "DOGE" fired the competent employees all over. GOP are traitors and saboteurs, they all need to be removed from office and permanently barred from it forevermore so we can get started fixing all the problems that the America Hating Retardican Shitbags Party have caused.

"A months-long breach" (Score:1)

by davidwr ( 791652 )

MONTHS-LONG? Heads should roll and everyone left with any data-security-responsibility will need to be retrained.

Hours or even days-long I can see. But months? Really?

Re: (Score:2)

by Locke2005 ( 849178 )

To be fair, Petey Pete was far too busy making sure all the soldiers had High T to both securiing the databases! That, and that whole "Defense" to "War" name change, that was really time consuming!

It's got to be Trump's fault - somehow... (Score:2)

by Bruce66423 ( 1678196 )

And the fact that there are people who will claim this is why politics is so obnoxious these days. Yes, some things are as a result of decisions by the elected. But far more often it's because some low level guy made the wrong call. We had this game in the UK recently when our air traffic control system crashed. Blame the top guy? Why? Some programmer got it wrong, as did the testing regime. It's fun to score political points. DON'T - unless you can actually demonstrate a reason to do so.

Re: It's got to be Trump's fault - somehow... (Score:3)

by drinkypoo ( 153816 )

No. If the system is designed so that a low level guy can fuck it up, it is already fucked.

Re: It's got to be Trump's fault - somehow... (Score:3)

by OrangeTide ( 124937 )

The person at the top ultimately has to take responsibility for process faults and staff incompetence of the agencies he oversees.

Re: (Score:2)

by Locke2005 ( 849178 )

Trump choose the idiots that dropped the ball. Yes, the buck does stop with the dotard!

So let me get this straight (Score:2)

by Locke2005 ( 849178 )

Under Trump, they guy that said only he could protect us, the DoD and the FBI databases are easy prey to hackers? Great job, Donald! Thanks!

"I have to convince you, or at least snow you ..."
-- Prof. Romas Aleliunas, CS 435