UNC5221 and the BRICKSTORM Campaign

UNC5221 and the BRICKSTORM Campaign

October 22, 2025 · 26 min

About this episode

The episode discusses the cyber-espionage threat group UNC5221 and their operations involving the BRICKSTORM backdoor.

Sarah Yoder (Manager, Mandiant Consulting) and Ashley Pearson (Senior Analyst, Advanced Practices on Google Threat Intelligence Group) join host Luke McNamara to discuss UNC5221 and their operations involving BRICKSTORM backdoor. This highly sophisticated, suspected China-nexus cyber-espionage threat group is known for aggressively targeting internet-facing network appliances (like VPNs and firewalls) to establish long-term, stealthy access for espionage. Read our blog post for more: https://...

People in this episode

Host: Luke McNamara

Guests: Sarah Yoder, Ashley Pearson

Topics covered

Keywords

Mentioned in this episode

Organizations: Mandiant, Google Threat Intelligence Group, UNC5221, BRICKSTORM

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