70
Sophistication
2022
First Seen
69
Notoriety
62
Stealth
73
Immersive Rating
76
Impact
60
Tactics Variety

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:

Dark Caracal
68
2020
54
57
65
71
52
Dark Storm
80
2020
75
76
78
85
70
DarkSide
92
2007
90
86
88
87
84
FIN7
85
2021
81
75
89
91
80
Fancy Bear
71
2017
63
64
68
65
65
Fox Kitten
53
2022
47
49
59
61
61
HAFNIUM
70
2022
69
62
73
76
60
IT Army of Ukraine
75
2013
68
72
88
65
70