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US Homeland Security data breach exposes details of over 41,000 staff, dev.by reports

Developing· 4 independent sources

Published: Updated:

Washington, D.C.
In the photo: Washington, D.C.. Photo: APK is not a Womanizer / Wikimedia Commons, CC BY-SA 3.0

Corrected on 5 November 2026 at 06:44 UTC. Corrected: information the story relied on has changed. - «Dev.by reports that the leak includes not only email addresses, phone numbers, and work addresses, but also links to internal services and confidential information about surveillance programs and undercover operations»: its status changed from developing to unconfirmed. Versions and corrections

Summary

A hacktivist group stole the personal information of more than 41,000 employees and contractors of the US Department of Homeland Security, according to dev.by and The Insider. The identities of these staff members have been revealed by hackers, according to Business FM.

Key facts

Each fact shows how far it is verified and the sources behind it.

According to preliminary information

Developing

Preliminary information; it may change as the story develops.

What is claimed

Unconfirmed

Statements attributed to who made them. They are not confirmed.

Timeline

  1. Correction: Corrected: information the story relied on has changed. - «Dev.by reports that the leak includes not only email addresses, phone numbers, and work addresses, but also links to internal services and confidential information about surveillance programs and undercover operations»: its status changed from developing to unconfirmed.

Sources

Every source of this story with its tier and affiliation. Several reports by one source count as one.

  • dev.by

    T2 · established media · independent · international

  • Business FM

    T2 · established media · company · international

  • The Insider

    T2 · established media · independent · international

  • Engadget

    T2 · established media · company · international

  • CNBC

    T2 · established media · company · international

Versions and corrections

  1. Corrected (C2): Version 2 · current

    Corrected: information the story relied on has changed.

  2. Published: Version 1

Minor edits such as typos create a new version without a notice. All corrections