Ransomware Intelligence

UMBERG TREUHAND AG

umberg-treuhand.ch

bravoxGroup
SwitzerlandCountry
Mar 11, 2026Discovered

Domain

umberg-treuhand.ch

Industry

Financial Services

Country

Switzerland

Discovered

3 months ago

Attack date

Mar 11, 2026

Confidence

100%

Severity

Medium

Status

Claimed

Threat group

bravox

Total victims

23

First seen

Dec 2025

Last seen

May 2026

Group status

active

Sophistication

0

Impact score

42

Threat level

3/10
Aggressiveness7/10
Lethality0/10
Criticality1.7/10

Status breakdown

Claimed
this victim
91.3%21

Victim's position within group

Industry

Financial Services

Known target sector

Country

Switzerland

Frequently targeted country

Group activity

Monthly attacks · bravox

23

total · avg 4.6/mo

DecFebMarAprMay02468