Ransomware needs a way in. Stolen credentials are the cheapest one.

Joliet Public Schools District 86 Ransomware Attack

joliet86.orgRansomed

QilinGroup

United StatesCountry

Oct 14, 2026Discovered

Overview

View group profile

Domain

joliet86.org

Industry

Education

Country

United States

Discovered

about 14 hours ago

Attack date

Oct 14, 2026

Confidence

100%

Severity

Medium

Status

Claimed

Threat group

Qilin

Total victims

1,422

First seen

Oct 2025

Last seen

Oct 2026

Group status

active

Sophistication

Impact score

123

Threat level

3.9/10

Aggressiveness10/10

Lethality0/10

Criticality1.3/10

Status breakdown

Data Leaked0.1%1

Claimed

this victim

99.9%1,421

Targeted sectors

Education Energy & Utilities Financial Services Government & Defense Healthcare Hospitality Manufacturing Other Professional Services Retail & E-Commerce Technology Transportation

Victim's position within group

Industry

Education

Known target sector

Country

United States

Frequently targeted country

Other victims

View all (1422)

Same group · Qilin

Group activity

Monthly attacks · Qilin

1,422

total · avg 109.4/mo