Can My Cyber Insurance Claim Be Denied?

Yes. The most commonly documented reasons include misrepresenting your security controls (like MFA) on the original application, using vendors your insurer did not approve without consent, and reporting an incident late under a claims-made-and-reported policy, where courts often treat timely notice as a strict condition of coverage.

See Why Cyber Insurance Claims Get Delayed or Denied for the full detail and how to avoid each one.