Hack history / 2021 / Hack or exploit
CNA
Hack or exploit on Mar 5, 2021 · Ransomware
ONE SOURCE · 1 SOURCE
Lost
$40M
dollars at the time
Returned
none listed
as the sources state it
Rank
#130
among thefts by dollars lost
What happened
CNA, one of the largest insurance companies in the United States, paid a ransom of US$40 million (approximately 257 million yuan) after being attacked by ransomware in March to regain control of its network. The company has confirmed that an organization named Phoenix is the perpetrator of this attack.
Details
- Date
- Mar 5, 2021
- Kind
- Hack or exploit
- Method
- Ransomware
- How in
- Other
- Target
- not stated
- Chains
- not stated
Reported by
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Cite this page
SwanBluechip, "CNA hack, Mar 5, 2021: $40M lost", Crypto hack history, https://swan-hack-tracker.pages.dev/history/i/ht422fdcfcf9/ (data as of 2026-10-31).