Trellix disclosed unauthorized access to a portion of its source code repository. The company identified the compromise recently and engaged forensic experts to investigate. Law enforcement notification followed. Trellix did not provide details on the access vector, scope of exposed code, affected product lines, or timeline of the intrusion. The company offers endpoint detection and response (EDR) solutions and threat intelligence platforms across enterprise and government sectors. Source code exposure creates downstream risk for customers relying on Trellix tools for security operations. Defenders using Trellix products should monitor for indicators of compromise and assess whether exposed code could enable bypass techniques against their deployments. The lack of technical specifics limits immediate defensive action, though law enforcement involvement suggests ongoing investigation.