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

5 months ago

Attack date

Mar 11, 2026

Confidence

100%

Severity

Medium

Status

Claimed

Threat group

bravox

Total victims

24

First seen

Dec 2025

Last seen

Jul 2026

Group status

active

Sophistication

0

Impact score

55

Threat level

3.1/10
Aggressiveness7/10
Lethality0/10
Criticality2.1/10

Status breakdown

Claimed
this victim
100.0%24

Victim's position within group

Industry

Financial Services

Known target sector

Country

Switzerland

Frequently targeted country

Group activity

Monthly attacks · bravox

24

total · avg 3.4/mo

DecFebMarAprMayJunJul02468