RansomHouse claimed responsibility for the Trellix breach, adding the security firm to its Tor data leak site and sharing screenshots of internal systems.
The RansomHouse ransomware group has claimed responsibility for the recent cyberattack on cybersecurity firm Trellix. To support its claims, the gang published screenshots allegedly showing access to internal Trellix services.
In early May, the company revealed a breach that allowed unauthorized access to part of its source code repository. The cybersecurity firm said it quickly launched an investigation with forensic experts and notified law enforcement. While the exact data accessed remains unclear, Trellix stated there is no evidence that its source code has been altered or exploited.
“Trellix recently identified unauthorized access to a portion of our source code repository. Upon learning of this matter, we immediately began working with leading forensic experts to resolve it. We have also notified law enforcement.” reads the update published by the security firm. “Based on our investigation to date, we have found no evidence that our source code release or distribution process was affected, or that our source code has been exploited. As part of our commitment to our broader security community, we intend to share further details as appropriate once our investigation is complete.”
The company did not disclose who carried out the attack and how he did it. It is unclear how long attackers had gained access to the repository.
Unauthorized access to part of a source code repository can expose sensitive logic, APIs, or credentials. Attackers may study the code to find vulnerabilities, create exploits, or plan targeted attacks. It can also lead to intellectual property theft, reputational damage, and supply chain risks if tampered code is later distributed to customers or partners.
The cybersecurity firm confirmed that part of its source code repository was breached, but said there is currently no evidence that its code release process or products were compromised.
RansomHouse is a cyber extortion group that emerged in late 2021 and quickly gained attention for targeting large organizations worldwide. Unlike traditional ransomware gangs, it initially focused on stealing data and extorting victims rather than encrypting systems.
The group presents itself as a “professional mediator” exposing poor cybersecurity practices, although researchers classify it as a financially motivated criminal operation. RansomHouse has been linked to attacks on healthcare providers, retailers, government agencies, technology firms, and critical infrastructure operators, claiming breaches involving AMD, Shoprite, and European institutions. The gang typically exploits exposed services, weak credentials, phishing, and vulnerable remote access systems.
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