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Thursday, 29 October 2026
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Data Breaches

DHS Personnel Data Leak Exposes Over 40,000 Records Online

A public data leak has exposed personal records for more than 40,000 Department of Homeland Security employees and contractors across several key operational agencies.

FTMQ Security, written by our newsroom0 views

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A dataset containing personnel records for more than 40,000 United States Department of Homeland Security employees and contractors went public on October 28, 2026. TechCrunch and shattered.io reported that the activist organization Distributed Denial of Secrets published the dataset. The leak affects personnel across multiple government divisions. [1]

According to TechCrunch and shattered.io, the affected agencies include United States Customs and Border Protection, United States Immigration and Customs Enforcement, Homeland Security Investigations, and the Cybersecurity and Infrastructure Security Agency. The records exposed in the leak include names, job titles, phone numbers, email addresses, workplace office locations, and specific job assignments. [1]

The compromised dataset was organized into a central database. Shattered.io reported that the leak remains an active story as officials review the full scope of the exposed records. [1]

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In short

  • A public leak exposed records for over 40,000 Department of Homeland Security staff and contractors on October 28, 2026.
  • Distributed Denial of Secrets published the dataset containing the sensitive personnel records.
  • The exposed data touches staff at CBP, ICE, HSI, and CISA.
  • Leaked fields include full names, job titles, phone numbers, email addresses, and work locations.

Sources

Every paragraph above points to the numbered items it rests on. Read the originals here.

  1. [1]DHS Data Leak Hits 40,000+ Staff, ICE and CBP [2026]shattered.io, 2h ago (the report this story comes from)
  2. [2]Data law | UK Regulatory Outlook October 2026Osborne Clarke, 11h ago
  3. [3]Japan Data Leak Wave Exposes Blind Faith in Contractors, Security Expert WarnsJAPAN Forward, 13h ago
  4. [4]Don Quijote and 3 Other Companies Announce Potential Customer Data Leak After Ransomware Attack on Watch Repair ContractorASCII.jp, 20h ago

Background

  1. [5]United States government group chat leaks on Wikipedia
  2. [6]Writers Guild Staff Union strike on Wikipedia

Our newsroom writes these reports with the help of software, from the 6 sources listed and nothing else, and checks them against those sources. Facts can still be wrong or move on; the originals are the record. Spotted a mistake? Write to daniel@monsterkong.com.

Related from FTMQ Security

Earlier reports of ours on the same people and subjects.

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