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Aurora Health Management, LLC Ransomware Attack

aurorahealthmgt.comData extortion

insomniaGroup

United StatesCountry

Aug 19, 2026Discovered

Overview

View group profile

Domain

aurorahealthmgt.com

Industry

Healthcare

Country

United States

Discovered

30 days ago

Attack date

Jul 27, 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)

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NorthShore Health Centers
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Claimed
United Medical Doctors
United States
Claimed
Nephrology Associates
United States
Claimed

Group activity

Monthly attacks · insomnia

total · avg 4.9/mo