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:

Indian Cyber Force
80
2013
73
72
72
85
75
Kamacite
88
2013
86
83
85
81
86
Kimusky
62
2021
88
43
86
78
66
Lapsus$
89
2009
92
73
85
81
87
Lazarus Group
95
2008
85
92
93
94
88
LulzSec
50
2011
75
38
62
72
52
MAGNALLIUM
80
2013
56
73
79
58
74
Onyx Sleet
85
2014
80
80
84
71
77