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Ransomware Victim Technology

Trellix (McAfee & FireEye)

Ransomware attack by Ransomhouse ยท Disclosed May 8, 2026 ยท ๐Ÿ‡บ๐Ÿ‡ธ United States

www.trellix.com

Date Disclosed
May 8, 2026
2026
Threat Group
Ransomhouse
79 total victims
Country
๐Ÿ‡บ๐Ÿ‡ธ United States
Industry
Technology

Incident Analysis

Trellix (McAfee & FireEye) was targeted by Ransomhouse ransomware, one of the most active ransomware groups in our database with 79 confirmed victims globally. The attack was disclosed on May 8, 2026, when Trellix (McAfee & FireEye) appeared on the group's dark web leak site.

Trellix (McAfee & FireEye) is based in United States , operating in the Technology sector. United States ranks #1 globally for ransomware attacks, with 5,650 victims in our database.

Sector context: Technology companies hold intellectual property, customer data, and source code โ€” all highly valuable assets. A successful ransomware attack can also put downstream customers at risk through supply chain exposure.

Ransomhouse 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 โ€” 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 Trellix (McAfee & FireEye) attacked by ransomware?

Yes. Trellix (McAfee & FireEye) was listed as a victim of the Ransomhouse ransomware group on May 8, 2026. The organisation is based in United States and operates in the Technology sector. The disclosure appeared on the group's dark web leak site.

Which ransomware group attacked Trellix (McAfee & FireEye)?

Trellix (McAfee & FireEye) was attacked by Ransomhouse ransomware. Ransomhouse is one of the most active ransomware groups, having claimed 79 victims globally. The group typically employs a double-extortion model: encrypting the victim's files and threatening to publish stolen data.

When did the Trellix (McAfee & FireEye) ransomware attack occur?

The ransomware attack on Trellix (McAfee & FireEye) was disclosed on May 8, 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 Trellix (McAfee & FireEye) ransomware attack?

The specific data stolen from Trellix (McAfee & FireEye) 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 Technology organisation, Trellix (McAfee & FireEye) likely held source code, intellectual property, and customer data.

How can organisations protect against Ransomhouse attacks?

To defend against Ransomhouse 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.