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City of New Castle

thegentlemen

This record tracks a ransomware attack claimed by the thegentlemen group against City of New Castle. It collects the publicly disclosed attack details — sector, location and timeline — as published on the operator's leak site and indexed by Breach House.

Window Zero

EXPOSURE GAP

Window Zero is the time the breach stayed in the open before anyone said so — the gap between when the attack was first discovered on the operator's leak site (t1) and when it was publicly disclosed (t2). The wider this window, the longer victims, staff and customers were exposed with no warning.

-64days
t1 · Published t2 · Disclosed
Feb 13, 2026Dec 12, 2025
Country
United States
Business Category
Public Sector
Employees
51-100
Discovered
2026-02-13
Published
February 13, 2026
Disclosed / Notified
Dec 12, 2025
Victim ID
ot7vMLKhiI9X

Attack Summary

newcastlecity.delaware.gov zoominfo.com/c/city-of-new-castle/1205094711 The City of New Castle offers a vibrant, historic community situated along the Delaware River, known for its colonial charm and outdoor recreational spaces. It caters to residents, visitors, and businesses with services such as expedited permitting and reliable utilities. The city promotes a variety of recreational activities, including parks, trails, and community events. With a rich history and preservation efforts

Leak Screenshots

SAMPLE

Proof-of-breach screenshots the operator posted from the stolen data. Previews are redacted and locked — the originals are available on HaveIBeenRansom.

file_tree.png
finance_2024.xlsx
passport_scan.jpg
contract_signed.pdf
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Dark Web Exposure

Findings for newcastlecity.delaware.gov — indexed by HaveIBeenRansom.
0
found in Infostealer logs
2
found in Traditional breaches
0
found in Ransomware leaks
WIRED_BF.7z
Database World ROC · breach
••• emails
pureincubation-com.7z.001
Database World ROC · breach
••• emails
Leak volumes are locked
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