Trellix discloses data breach after source code repository hack
Cybersecurity firm Trellix disclosed on May 2, 2026, that attackers gained unauthorized access to a portion of its internal source code repository, exposing sensitive proprietary code. The RansomHouse group later claimed responsibility.
Trellix
- Domain
- trellix.com
- Sector
- Professional, Scientific, and Technical Services
- Signals
- 1 linked
Signal context
First seen: May 2, 2026
Last updated: Jun 25, 2026
Status: Public signal
Key points
- Unauthorized access to a portion of internal source code repository.
- Disclosed on May 2, 2026.
- RansomHouse group claimed responsibility on May 7, 2026.
Signal analysis
BetaThis analysis groups the signal by industry, likely incident action and impacted security area. It helps compare this signal with other published signals without treating the labels as final determinations.
Sector: Professional, Scientific, and Technical Services
Likely country: Location not provided
Watch internet-facing systems, credential abuse and exploit activity.
- Source type: outside the affected organization
Impact area: Confidentiality
Likely asset: User or customer data
- 4 signals in the same sector
- 88 signals with the same likely impact area
- 1 signal linked to this organization/domain
External sources
Trellix Source Code Repository Breached - SecurityWeekhttps://www.securityweek.com/trellix-source-code-repository-breached/Public source from securityweek.com.
Trellix discloses data breach after source code repository hack - Bleeping Computerhttps://www.bleepingcomputer.com/news/security/trellix-discloses-data-breach-after-source-code-repository-hack/Public source from bleepingcomputer.com.
Trellix Source Code Breach: Why Your Security Vendor Could Be Your Biggest Riskhttps://www.resalecyber.com/blog/trellix-source-code-breach-why-your-security-vendor-could-be-your-biggest-risk/Public source from resalecyber.com.
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