1
Published signals
currently linked to this company
Company intelligence
Trellix cybersecurity incidents and threat signals
trellix.com
This company page brings together public reporting currently associated with Trellix. It reflects signals published by Shadow Tier and should not be read as a complete incident history.
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Last 28 days
recent published signals
1
Last 90 days
recent published signals
1
High or critical
confidence classifications
July 3, 2026
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most recent published signal
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Based on all published signals currently linked to Trellix. Affected countries come from victim data; the company country above remains a separate profile fact. Counts describe this reporting set, not overall incident prevalence.
Attack patterns
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All published signals involving Trellix
Trellix (McAfee & FireEye) Source Code Breached, RansomHouse Claims Responsibility
On May 8, 2026, the RansomHouse ransomware group publicly claimed responsibility for a cyberattack against Trellix, a leading U.S. cybersecurity company. Trellix had previously confirmed unauthorized access to a portion of its internal source code repository around May 2, 2026. RansomHouse threatened to release sensitive data unless negotiations were initiated, and reportedly published screenshots showing access to internal Trellix services.
FAQ
Questions about Trellix cybersecurity reporting
What does the Trellix page include?
It combines a reviewed organization profile with all current published Shadow Tier signals explicitly linked to Trellix.
Does every mention of Trellix appear here?
No. A signal must contain a reliable company connection and meet the publication criteria; incidental or ambiguous mentions are excluded.
Why can the incident count change?
The page follows current published reporting. Counts change as new evidence is added, classifications are reviewed, or older signals leave the reporting window.