Sentinel Security Life, Atlantic Coast Life Report Data Breach

Sentinel Security Life Insurance Company and Atlantic Coast Life Insurance Company, both providers of insurance services, formally disclosed a data breach incident to the Montana Attorney General. This disclosure indicates that systems containing sensitive policyholder information were subjected to unauthorized access.

The breach date for this incident is documented as April 7, 2025, with the official report filed on December 30, 2025. The companies indicate that an investigation into the nature and scope of the unauthorized access is currently underway. While the specific categories of data involved were not detailed in the public filing, the event potentially exposed personal information.

If you received a data breach notification letter from either Sentinel Security Life or Atlantic Coast Life, it is an indication that your personal information may have been part of the compromised data. These letters are issued to inform you of the situation and the steps being taken by the companies to address the security event.

Individuals who may be affected by this breach should remain vigilant. It is prudent to monitor financial account statements and credit reports for any unusual activity. Be cautious of unsolicited communications, especially those requesting personal information, as they could be phishing attempts. Consider placing a fraud alert or security freeze on your credit files as a general protective measure.

All details regarding this data breach incident are derived from public filings submitted by Sentinel Security Life Insurance Company and Atlantic Coast Life Insurance Company to regulatory bodies, consistent with reporting requirements for such events.