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Ransomware Victim

SCHLATTNER

Ransomware attack by Helldown · Disclosed August 13, 2024 · 🇩🇪 Germany

SCHLATTNER.de

Date Disclosed
Aug 13, 2024
2024
Threat Group
Helldown
36 total victims
Country
🇩🇪 Germany
Industry
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ThreatAI Analysis

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

About the Helldown group

Helldown is an aggressive ransomware group first documented in August 2024, known for exploiting Zyxel firewall vulnerabilities to gain initial access and conducting large-scale data exfiltration averaging 70 GB per victim, targeting IT services, telecommunications, manufacturing, and healthcare primarily in the US. Helldown has listed 36 victims since August 2024.

Incident Analysis

SCHLATTNER was targeted by Helldown ransomware, one of the most active ransomware groups in our database with 36 confirmed victims globally. The attack was disclosed on August 13, 2024, when SCHLATTNER appeared on the group's dark web leak site.

SCHLATTNER is based in Germany . Germany ranks #2 globally for ransomware attacks, with 929 victims in our database.

Helldown 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 20, 2026 04:00 UTC.

Frequently Asked Questions

Was SCHLATTNER attacked by ransomware?

Yes. SCHLATTNER was listed as a victim of the Helldown ransomware group on August 13, 2024. The organisation is based in Germany. The disclosure appeared on the group's dark web leak site.

Which ransomware group attacked SCHLATTNER?

SCHLATTNER was attacked by Helldown ransomware. Helldown is one of the most active ransomware groups, having claimed 36 victims globally. The group typically employs a double-extortion model: encrypting the victim's files and threatening to publish stolen data.

When did the SCHLATTNER ransomware attack occur?

The ransomware attack on SCHLATTNER was disclosed on August 13, 2024. 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 SCHLATTNER ransomware attack?

The specific data stolen from SCHLATTNER 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 Helldown attacks?

To defend against Helldown 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.