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Case File: Sentinel Security Life Insurance Company and Atlantic Coast Life Insurance Data Breach

This file collects the dated facts on record for the Sentinel Security Life Insurance Company and Atlantic Coast Life Insurance incident. The state report is dated December 30, 2025.

Timeline

  1. December 30, 2025Report filed in New HampshireDate the notice was lodged with the New Hampshire Attorney General.

Case facts

Filing state
New Hampshire
Date reported
December 30, 2025
Receiving office
New Hampshire Attorney General

Case notes

Sentinel Security Life Insurance Company and Atlantic Coast Life Insurance have filed notice of a data breach with the Attorney General of New Hampshire. The report, dated December 30, 2025, indicates an incident occurred that compromised personal information, though specific details regarding the nature of the breach and the types of data involved remain unspecified in the public filing.

The companies have stated that they are actively investigating the incident. Public records do not provide further specifics about how the breach happened, or what categories of personal information may have been exposed. This case is presented as filed with regulators.

While the number of individuals affected by this incident is not disclosed in the public filing, those who receive a direct notification letter from Sentinel Security Life Insurance Company or Atlantic Coast Life Insurance should review it carefully. Such letters typically contain detailed information about the specific data that was involved for that individual.

As a general precaution, it is advisable for individuals to remain vigilant against potential misuse of their information. This includes reviewing financial account statements for unauthorized activity and monitoring credit reports for any suspicious inquiries or new accounts opened in their name. Consider placing a fraud alert or security freeze on your credit files.

This information is provided to document the public record of the data breach and is not legal advice. The protective steps offered are general recommendations applicable to many data security incidents.

Questions about this case file

Where does the Sentinel Security Life Insurance Company and Atlantic Coast Life Insurance case file come from?
Every entry is taken from the breach report Sentinel Security Life Insurance Company and Atlantic Coast Life Insurance lodged with the New Hampshire Attorney General. Nothing here is estimated.
Why do the incident date and the report date differ?
Companies usually investigate before they report. The gap between the two dates shows how long that took.
What does the records-affected figure count?
It is the number the company gave the state. It can cover residents of that state only, so the national total may be higher.
Does this case file change over time?
Yes. When a company files an update or a new state publishes its copy of the report, the dates and counts here are refreshed.

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Filing source: New Hampshire Attorney General