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Ransomware Victim Business Services

ATP

Ransomware attack by Helldown · Disclosed August 20, 2024 · 🇮🇹 Italy

atpsassari.it

Date Disclosed
Aug 20, 2024
2024
Threat Group
Helldown
36 total victims
Country
🇮🇹 Italy
Industry
Business Services

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

ATP 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 20, 2024, when ATP appeared on the group's dark web leak site.

ATP is based in Italy , operating in the Business Services sector. Italy ranks #5 globally for ransomware attacks, with 564 victims in our database.

Sector context: Business services firms often have access to multiple client environments, making them high-value pivot points for ransomware operators seeking to maximise impact across multiple victim organisations.

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 ATP attacked by ransomware?

Yes. ATP was listed as a victim of the Helldown ransomware group on August 20, 2024. The organisation is based in Italy and operates in the Business Services sector. The disclosure appeared on the group's dark web leak site.

Which ransomware group attacked ATP?

ATP 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 ATP ransomware attack occur?

The ransomware attack on ATP was disclosed on August 20, 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 ATP ransomware attack?

The specific data stolen from ATP 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. As a Business Services organisation, ATP likely held sensitive business data, client information, and operational records.

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.