Ransomware Intelligence

katholiekamersfoort.nl Ransomware Attack

katholiekamersfoort.nl

NetherlandsCountry
Jun 2, 2026Discovered

Domain

katholiekamersfoort.nl

Industry

Education

Country

Netherlands

Discovered

2 months ago

Attack date

Jun 2, 2026

Confidence

85%

Severity

Medium

Status

Claimed

Threat group

stormous

Total victims

68

First seen

Oct 2025

Last seen

Jul 2026

Group status

active

Sophistication

0

Impact score

86

Threat level

2.2/10
Aggressiveness5/10
Lethality0.3/10
Criticality1/10

Status breakdown

Data Leaked5.9%4
Claimed
this victim
94.1%64

Victim's position within group

Industry

Education

Known target sector

Country

Netherlands

Frequently targeted country

Group activity

Monthly attacks · stormous

68

total · avg 8.5/mo

OctNovDecJanAprMayJunJul05101520