UNC5221 and the BRICKSTORM Campaign

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:

You can listen to UNC5221 and the BRICKSTORM Campaign online on Radio and Podcast. Open the player on this page to stream the available audio.

UNC5221 and the BRICKSTORM Campaign is an episode from Eye on Security by Mandiant.

This episode is 26:11 long.

This episode was published on Oct 22, 2025.

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