Harmony Insurance Co. data breach

Clerk's notes

Harmony Insurance Co., based in Florida, formally disclosed a significant data breach following a ransomware attack. This incident, reported to the Florida Department of Legal Affairs on June 28, 2026, potentially compromised the personal information of approximately 450,000 policyholders. The breach date is identified as April 15, 2026.

The compromised information includes highly sensitive categories: SSN, Medical Records, and Insurance Policy Data. Such data, when in unauthorized hands, can significantly increase the risk of targeted identity theft, fraudulent medical claims, and unauthorized access to insurance benefits.

Exposure of SSN, Medical Records, and Insurance Policy Data creates a heightened risk of various forms of fraud. Malicious actors could use this combination of data to open new accounts, submit false medical bills, or make unauthorized claims under existing insurance policies. It is crucial for affected individuals to monitor their financial and medical statements closely.

Legal actions stemming from this data breach have been initiated and are currently consolidated into a class action lawsuit. This case is proceeding in the United States District Court for the Southern District of Florida, reflecting the collective impact on affected individuals.

If you received a data breach notification letter from Harmony Insurance Co., you may be eligible to participate in the ongoing legal proceedings. Reviewing your options promptly is a recommended step for those impacted by this security incident.

If a notification letter about this breach reached you, see every Florida data breach on file or browse all cases.