UN
Ransomware Victim Business Services

United Personnel (a division of Masis Staffing Solutions)

Ransomware attack by Genesis Β· Disclosed June 17, 2026 Β· πŸ‡ΊπŸ‡Έ United States

msastaffing.org

Date Disclosed
Jun 17, 2026
2026
Threat Group
Genesis
109 total victims
Industry
Business Services

Incident Analysis

United Personnel (a division of Masis Staffing Solutions) was targeted by Genesis ransomware, one of the most active ransomware groups in our database with 109 confirmed victims globally. The attack was disclosed on June 17, 2026, when United Personnel (a division of Masis Staffing Solutions) appeared on the group's dark web leak site.

United Personnel (a division of Masis Staffing Solutions) is based in United States , operating in the Business Services sector. United States ranks #1 globally for ransomware attacks, with 8,987 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.

Genesis 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: Aug 4, 2026 10:00 UTC.

Frequently Asked Questions

Was United Personnel (a division of Masis Staffing Solutions) attacked by ransomware?

Yes. United Personnel (a division of Masis Staffing Solutions) was listed as a victim of the Genesis ransomware group on June 17, 2026. The organisation is based in United States and operates in the Business Services sector. The disclosure appeared on the group's dark web leak site.

Which ransomware group attacked United Personnel (a division of Masis Staffing Solutions)?

United Personnel (a division of Masis Staffing Solutions) was attacked by Genesis ransomware. Genesis is one of the most active ransomware groups, having claimed 109 victims globally. The group typically employs a double-extortion model: encrypting the victim's files and threatening to publish stolen data.

When did the United Personnel (a division of Masis Staffing Solutions) ransomware attack occur?

The ransomware attack on United Personnel (a division of Masis Staffing Solutions) was disclosed on June 17, 2026. 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 United Personnel (a division of Masis Staffing Solutions) ransomware attack?

The specific data stolen from United Personnel (a division of Masis Staffing Solutions) 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, United Personnel (a division of Masis Staffing Solutions) likely held sensitive business data, client information, and operational records.

How can organisations protect against Genesis attacks?

To defend against Genesis 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.