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UNC5221 and the BRICKSTORM Campaign episode artwork

Oct 22, 2025 26 min

UNC5221 and the BRICKSTORM Campaign

from The Defender's Advantage Podcast Hosted by Mandiant

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://cloud.google.com/blog/topics/threat-intelligence/brickstorm-espionage-campaign

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UNC5221 and the BRICKSTORM Campaign

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