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Ransomware Victim Manufacturing

Sioux Chief

Ransomware attack by Hunters Β· Disclosed May 5, 2025 Β· πŸ‡ΊπŸ‡Έ United States

www.siouxchief.com

Date Disclosed
May 5, 2025
2025
Threat Group
Hunters
47 total victims
Country
πŸ‡ΊπŸ‡Έ United States
Industry
Manufacturing

Incident Analysis

Sioux Chief was targeted by Hunters ransomware, one of the most active ransomware groups in our database with 47 confirmed victims globally. The attack was disclosed on May 5, 2025, when Sioux Chief appeared on the group's dark web leak site.

Sioux Chief is based in United States , operating in the Manufacturing sector. United States ranks #1 globally for ransomware attacks, with 5,650 victims in our database.

Sector context: Manufacturing companies are frequently targeted because production downtime directly translates to financial loss. Ransomware operators exploit this time-sensitivity to demand higher ransoms and faster payment.

Hunters 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 β€” 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: Jun 10, 2026 06:09 UTC.

Frequently Asked Questions

Was Sioux Chief attacked by ransomware?

Yes. Sioux Chief was listed as a victim of the Hunters ransomware group on May 5, 2025. The organisation is based in United States and operates in the Manufacturing sector. The disclosure appeared on the group's dark web leak site.

Which ransomware group attacked Sioux Chief?

Sioux Chief was attacked by Hunters ransomware. Hunters is one of the most active ransomware groups, having claimed 47 victims globally. The group typically employs a double-extortion model: encrypting the victim's files and threatening to publish stolen data.

When did the Sioux Chief ransomware attack occur?

The ransomware attack on Sioux Chief was disclosed on May 5, 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 Sioux Chief ransomware attack?

The specific data stolen from Sioux Chief 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 Manufacturing organisation, Sioux Chief likely held sensitive business data, client information, and operational records.

How can organisations protect against Hunters attacks?

To defend against Hunters 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.