Cyber Threat Intelligence
AC
Ransomware Victim Consumer Services

Acumen Group

Ransomware attack by Eldorado · Disclosed December 16, 2024 · 🇺🇸 United States

acumengroup.us

Date Disclosed
Dec 16, 2024
2024
Threat Group
Eldorado
112 total victims
Country
🇺🇸 United States
Industry
Consumer Services

Incident Analysis

Acumen Group was targeted by Eldorado ransomware, one of the most active ransomware groups in our database with 112 confirmed victims globally. The attack was disclosed on December 16, 2024, when Acumen Group appeared on the group's dark web leak site.

Acumen Group is based in United States , operating in the Consumer Services sector. United States ranks #1 globally for ransomware attacks, with 8,273 victims in our database.

Sector context: Organisations in this sector hold valuable data and operational systems that ransomware groups seek to exploit for financial gain through encryption and data exfiltration.

Eldorado 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: May 14, 2026 18:01 UTC.

Frequently Asked Questions

Was Acumen Group attacked by ransomware?

Yes. Acumen Group was listed as a victim of the Eldorado ransomware group on December 16, 2024. The organisation is based in United States and operates in the Consumer Services sector. The disclosure appeared on the group's dark web leak site.

Which ransomware group attacked Acumen Group?

Acumen Group was attacked by Eldorado ransomware. Eldorado is one of the most active ransomware groups, having claimed 112 victims globally. The group typically employs a double-extortion model: encrypting the victim's files and threatening to publish stolen data.

When did the Acumen Group ransomware attack occur?

The ransomware attack on Acumen Group was disclosed on December 16, 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 Acumen Group ransomware attack?

The specific data stolen from Acumen Group 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 Consumer Services organisation, Acumen Group likely held sensitive business data, client information, and operational records.

How can organisations protect against Eldorado attacks?

To defend against Eldorado 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.