Chinese APT deploys new malware to keep access to hacked networks
Medium Severity
Global
Date OccurredJun 05, 202618:09 UTC
Event TypeCyber Intelligence
SourceBleepingComputer
RecordedJun 05, 2026
Full Description
A Chinese espionage group tracked as UNC5221 has been accessing Microsoft 365 environments using the Brickstorm backdoor and previously undocumented malware named Plenet and AgentPSD. [...]