UNC5221 uses BRICKSTORM malware to maintain 393-day stealthy access to U.S. SaaS, legal, and tech sectors.
Companies in the legal services, software-as-a-service (SaaS) providers, Business Process Outsourcers (BPOs), and technology sectors in the U.S. have been targeted by a suspected China-nexus cyber espionage group to deliver a known backdoor referred … [5633 chars]
Source: The Hacker News | Published: 2025-09-24T14:33:00Z
Credit: The Hacker News