BREACHCONFIRMED
CNA Financial Corporation Data Breach
insurance_company • financial
Unknown
Records Affected
Mar 5, 2021
Disclosed
ransomware
Attack Vector
Data Exposed
NamesSocial Security Numbers
Timeline
OccurredInvalid Date
DiscoveredMarch 21, 2021
DisclosedMarch 5, 2021
Related Coverage
Last updated: February 6, 2026