Red Hat GitLab Breach: Crimson Collective's 570GB Heist Exposes 800+ Enterprise Customers
Executive Summary In October 2025, the extortion group Crimson Collective breached Red Hat's consulting GitLab instance, claiming to have exfiltrated 570GB of compressed data from over 28,000 internal repositories. The breach exposed approximately 800 Customer Engagement Reports (CERs) containing sensitive infrastructure details, authentication credentials, and network configurations