Chinese APT deploys new malware to keep access to hacked networks | HappeningNow.news

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Chinese APT deploys new malware to keep access to hacked networks

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.

Source AI Summary Published June 5, 2026 Brief Under 1 min brief
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AI Summary

A Chinese espionage group has been using new malware to maintain access to compromised networks. This group has been tracked and identified as UNC5221, and has been using the Brickstorm backdoor along with other previously undocumented malware.

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