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NYC Health + Hospitals Ransomware Attack

Ransomware victimRansomed

leaknetGroup

United StatesCountry

Jul 29, 2026Discovered

Data has been published on the ransomware group's leak site.

Overview

View group profile

Industry

Healthcare

Country

United States

Discovered

about 2 months ago

Confidence

85%

Severity

Critical

Status

Data Leaked

Threat group

leaknet

Total victims

First seen

Oct 2025

Last seen

Sep 2026

Threat level

5.9/10

Aggressiveness5/10

Lethality4.9/10

Criticality8.3/10

Status breakdown

Data Leaked

this victim

97.1%34

Claimed2.9%1

Targeted sectors

Education Energy & Utilities Financial Services Government & Defense Healthcare Manufacturing Other Professional Services Technology

Victim's position within group

Industry

Healthcare

Known target sector

Country

United States

Not a listed target country

Other victims

View all (35)

Same group · leaknet

Katecho,LLC
—
Data Leaked
NYC Health + Hospitals
United States
Data Leaked
Anglo Belgian Corporation
—
Data Leaked
MagMutual
—
Claimed
Ktunaxa Nation Council
Canada
Data Leaked
Far East Horizon Limited
China
Data Leaked

Group activity

Monthly attacks · leaknet

total · avg 3.2/mo