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NorthShore Health Centers Ransomware Attack

northshorehealth.orgData extortion

insomniaGroup

United StatesCountry

Sep 7, 2026Discovered

Overview

View group profile

Domain

northshorehealth.org

Industry

Healthcare

Country

United States

Discovered

11 days ago

Attack date

Aug 10, 2026

Confidence

100%

Severity

Medium

Status

Claimed

Threat group

insomnia

Total victims

First seen

Oct 2025

Last seen

Sep 2026

Group status

active

Sophistication

Impact score

Threat level

4.3/10

Aggressiveness8/10

Lethality0/10

Criticality5/10

Status breakdown

Claimed

this victim

100.0%54

Targeted sectors

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

Victim's position within group

Industry

Healthcare

Known target sector

Country

United States

Frequently targeted country

Other victims

View all (54)

Same group · insomnia

Wiggins Childs Pantazis Fisher & Goldfarb
United States
Claimed
Massey, Stotser & Nichols
United States
Claimed
Agape Health Services
United States
Claimed
NorthShore Health Centers
United States
Claimed
United Medical Doctors
United States
Claimed
Nephrology Associates
United States
Claimed

Group activity

Monthly attacks · insomnia

total · avg 4.9/mo