Continer 7
Threat Card Hub
HAFNIUM
70
Sophistication
2022
First Seen
69
Notoriety
62
Stealth
73
Immersive Rating
76
Impact
60
Tactics Variety
Abstract humanoid figure swirling in blue waves with lock and envelope symbols around a dark background.

HAFNIUM

Chinese group behind the 2021 Microsoft Exchange Server exploitation spree. Attacks allowed mass access to internal emails across thousands of organizations. Known for stealthy exfiltration and fast-moving campaigns.

Key behaviours to watch:

Immersive coverage includes:

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