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.
The Chicago-based company paid the hackers about two weeks after a trove of company data was stolen, and CNA officials were locked out of their network, according to two people familiar with the attack who asked not to be named because they weren’t authorized to discuss the matter publicly.

Incident Date

March 21, 2021


United States

Estimated Cost

$40 million

Type of Malware:

Threat Source:


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




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