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Springfield Public Schools Ransomware Attack

springfieldpublicschools.comRansomed

interlockGroup

United StatesCountry

Sep 15, 2026Discovered

Overview

View group profile

Domain

springfieldpublicschools.com

Industry

Education

Country

United States

Discovered

3 days ago

Attack date

Sep 15, 2026

Confidence

90%

Severity

Medium

Status

Claimed

Threat group

interlock

Total victims

First seen

Oct 2025

Last seen

Sep 2026

Group status

active

Sophistication

Impact score

Threat level

4.5/10

Aggressiveness7/10

Lethality0.8/10

Criticality5.8/10

Status breakdown

Data Leaked16.1%9

Claimed

this victim

83.9%47

Targeted sectors

Education 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 (56)

Same group · interlock

Group activity

Monthly attacks · interlock

total · avg 4.7/mo