The Sentinel Security Life Insurance Company and Atlantic Coast Life Insurance Company Data Breach: Reported Filing Facts
Sentinel Security Life Insurance Company and Atlantic Coast Life Insurance Company are insurance providers that manage sensitive policyholder information. These companies typically collect and store extensive personal and financial data, including Social Security numbers, policy details, and banking information necessary for premium payments and claims processing. In 2025, these entities officially reported a data breach to the Montana Attorney General, confirming that unauthorized access to their systems occurred. If you received a data breach notification letter, it indicates that your personal information may have been compromised during this incident. This notice is intended to inform you of the situation, the types of data involved, and the steps the companies are taking to address the security event and support affected individuals.
- State
- Montana
- Breach date
- April 7, 2025
- Reported
- December 30, 2025
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