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Otto Sieve GmbH Ransomware Attack

otto-sieve.deRansomed

stormGroup

GermanyCountry

Aug 27, 2026Discovered

Overview

View group profile

Domain

otto-sieve.de

Industry

Manufacturing

Country

Germany

Discovered

28 days ago

Attack date

Aug 24, 2026

Confidence

100%

Severity

Medium

Status

Claimed

Threat group

storm

Total victims

First seen

Aug 2026

Last seen

Sep 2026

Threat level

4/10

Aggressiveness10/10

Lethality0.1/10

Criticality1.5/10

Status breakdown

Data Leaked1.1%8

Negotiating0.3%2

Claimed

this victim

98.6%686

Targeted sectors

Education Energy & Utilities Financial Services Government & Defense Healthcare Manufacturing Other Professional Services Retail & E-Commerce Technology Transportation

Victim's position within group

Industry

Manufacturing

Known target sector

Country

Germany

Not a listed target country

Other victims

View all (696)

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Group activity

Monthly attacks · storm

total · avg 32.5/mo