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Ransomware Victim

Ingenieurbüro Laudi

Ransomware attack by Brotherhood · Disclosed November 28, 2025 · 🇩🇪 Germany

www.ib-laudi.de

Date Disclosed
Nov 28, 2025
2025
Threat Group
Brotherhood
18 total victims
Country
🇩🇪 Germany
Industry
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ThreatAI Analysis

Compiled from this incident record and the threat intelligence profile for Brotherhood. Figures and technique mappings are quoted from the source data, not inferred.

About the Brotherhood group

Brotherhood is a ransomware group that emerged in late 2025, targeting organizations in the US, Canada, and Australia across manufacturing, communications, and construction sectors, operating a Tor-based double-extortion leak site. Brotherhood has listed 18 victims since April 2025.

Incident Analysis

Ingenieurbüro Laudi was targeted by Brotherhood ransomware, one of the most active ransomware groups in our database with 18 confirmed victims globally. The attack was disclosed on November 28, 2025, when Ingenieurbüro Laudi appeared on the group's dark web leak site.

Ingenieurbüro Laudi is based in Germany . Germany ranks #2 globally for ransomware attacks, with 916 victims in our database.

Brotherhood typically employs a double extortion model: first exfiltrating sensitive data from the victim's systems, then deploying ransomware to encrypt files. Victims face two simultaneous threats — paying to restore access and paying to prevent publication of stolen data. The group's leak site publishes victim names and exfiltrated data as leverage.

Data source: This incident record is sourced from public ransomware group leak site disclosures aggregated via the ransomware.live API. Disclosure date reflects when the victim was published on the leak site, which may differ from the initial date of compromise. This platform does not publish or link to stolen data. Last data update: Sep 8, 2026 02:00 UTC.

Frequently Asked Questions

Was Ingenieurbüro Laudi attacked by ransomware?

Yes. Ingenieurbüro Laudi was listed as a victim of the Brotherhood ransomware group on November 28, 2025. The organisation is based in Germany. The disclosure appeared on the group's dark web leak site.

Which ransomware group attacked Ingenieurbüro Laudi?

Ingenieurbüro Laudi was attacked by Brotherhood ransomware. Brotherhood is one of the most active ransomware groups, having claimed 18 victims globally. The group typically employs a double-extortion model: encrypting the victim's files and threatening to publish stolen data.

When did the Ingenieurbüro Laudi ransomware attack occur?

The ransomware attack on Ingenieurbüro Laudi was disclosed on November 28, 2025. This date reflects when the victim was published on the threat group's leak site, which may differ from the actual date of initial compromise.

What data was stolen in the Ingenieurbüro Laudi ransomware attack?

The specific data stolen from Ingenieurbüro Laudi has not been independently verified by this platform. Ransomware groups typically exfiltrate data before encrypting systems and use the threat of publication to pressure victims. Sensitive business data was likely targeted.

How can organisations protect against Brotherhood attacks?

To defend against Brotherhood and similar threat actors, organisations should: maintain regular offline backups tested for restoration; implement network segmentation to limit lateral movement; deploy multi-factor authentication on all remote access; use endpoint detection and response (EDR) tools; conduct regular phishing and security awareness training; and monitor threat intelligence feeds for indicators of compromise (IOCs) associated with active groups.