Ransomware Intelligence

UMBERG TREUHAND AG Ransomware Attack

umberg-treuhand.ch

bravoxGroup
SwitzerlandCountry
Mar 11, 2026Discovered

Domain

umberg-treuhand.ch

Industry

Financial Services

Country

Switzerland

Discovered

4 months ago

Attack date

Mar 11, 2026

Confidence

100%

Severity

Medium

Status

Claimed

Threat group

bravox

Total victims

27

First seen

Dec 2025

Last seen

Jul 2026

Group status

active

Sophistication

0

Impact score

53

Threat level

2.3/10
Aggressiveness5/10
Lethality0/10
Criticality1.7/10

Status breakdown

Claimed
this victim
92.6%25

Victim's position within group

Industry

Financial Services

Known target sector

Country

Switzerland

Frequently targeted country

Group activity

Monthly attacks · bravox

27

total · avg 3.9/mo

DecFebMarAprMayJunJul02468