Data Breaches Ransomware Group Takes Credit for Trellix Hack RansomHouse has published several screenshots to demonstrate access to internal Trellix services. By Eduard Kovacs | May 8, 2026 (3:58 AM ET) Flipboard Reddit Whatsapp Whatsapp Email The RansomHouse ransomware group has taken credit for the recent attack on the cybersecurity firm Trellix. The Trellix hack came to light this week when the company announced on its website that part of its source code repository had been breached. “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,” the company stated. No other information has been shared by Trellix, but it has promised to release additional details after it completes its investigation. RansomHouse claims Trellix hack The RansomHouse group named Trellix on its leak website on Thursday. The hackers have not specified how much data they stole from the cybersecurity company, but have published several screenshots that appear to show they had access to internal services and management dashboards. The hackers have not made any claims regarding the type of data they have stolen from Trellix. When the incident came to light, SecurityWeek reported that the timing of the attack suggested a potential connection to the recent supply chain attack linked to the hacker groups TeamPCP and Lapsus$. This campaign has impacted several cybersecurity firms, including Checkmarx , Aqua Security , and Bitwarden . Advertisement. Scroll to continue reading. The connection has yet to be confirmed, but it’s worth noting that TeamPCP has reportedly partnered with ransomware groups . SecurityWeek has reached out to Trellix for comment and will update this article if the company responds. RansomHouse is an extortion group that emerged in 2022, primarily operating as a ransomware-as-a-service (RaaS) provider that targets large enterprises. The group has been known to encrypt victims’ files and steal valuable data to increase its chances of receiving a ransom payment. RansomHouse’s Tor-based leak website currently lists more than 170 victims. Related : Vendor Says Daemon Tools Supply Chain Attack Contained Related : Security Firm Aura Discloses Data Breach Impacting 900,000 Records Related : Taiwan Security Firm Confirms Flaw Flagged by CISA Likely Exploited by Chinese APTs Written By Eduard Kovacs Eduard Kovacs (@EduardKovacs) is senior managing editor at SecurityWeek. He worked as a high school IT teacher before starting a career in journalism in 2011. Eduard holds a bachelor’s degree in industrial informatics and a master’s degree in computer techniques applied in electrical engineering. 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