
Imagine a silent intruder lurking within the digital walls of critical U.S. sectors, undetected for over a year, siphoning sensitive data and intellectual property with surgical precision. This is the reality posed by the BRICKSTORM backdoor, a sophisticated malware deployed by the suspected China-nexus threat group UNC5221. Targeting legal services, software-as-a-service (SaaS) providers, Business Process Outsourcers (BPOs), and technology firms,