INCIDENT: ‘Sophisticated’ Attack Hits Cyber Insurance Provider

Insurance provider Chicago, IL-based CNA Financial ended up hit by what it called a “sophisticated” cybersecurity attack on Sunday, company officials said.
“On March 21, 2021, CNA determined that it sustained a sophisticated cybersecurity attack. The attack caused a network disruption and impacted certain CNA systems, including corporate email,” the company said in an advisory.

Incident Date

March 21, 2021


United States

Estimated Cost

No cost values disclosed.


Type of Malware:

No Malware identified

Threat Source:

No threat source identified


  • CNA confirms ‘sophisticated’ cyber attack on systems
  • ‘Sophisticated’ Attack Hits Cyber Insurance Provider


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