Chinese Hackers Deploy BRICKSTORM Malware to Target U.S. Legal and Tech Sectors
A suspected China-linked cyber espionage group, UNC5221, is using the sophisticated BRICKSTORM backdoor to infiltrate U.S. legal, tech, and SaaS sectors, maintaining long-term stealthy access to steal sensitive information and potentially exploit zero-day vulnerabilities, with ongoing development and active deployment across multiple systems.