Sentinel Security Life Insurance Company and Atlantic Coast Life Insurance Company data breach
Sentinel Security Life Insurance Company and Atlantic Coast Life Insurance Company have reported a data breach that occurred on April 7, 2025. This incident, filed on December 30, 2025, in Montana, is currently under investigation and potentially involved the personal information of affected individuals. Those who received a notification letter should understand their options.
Docket sheet
- Company
- Sentinel Security Life Insurance Company and Atlantic Coast Life Insurance Company
- Venue
- MT Attorney General
- Filed
- December 30, 2025
- People affected
- Not stated
- Status
- Investigation Open
Where this breach stands
- 1
Breach occurredApril 7, 2025
Date of the incident as stated in the filing.
- 2
Reported to the MT Attorney GeneralDecember 30, 2025
The company filed a breach notification with the state regulator.
- 3
Attorney reviewCurrent stage
Current status: Investigation Open. Our office is reviewing whether affected people may have claims.
- 4
Your case review
Got a letter about this breach? Submit it for a free, confidential review.
Clerk's notes
Sentinel Security Life Insurance Company and Atlantic Coast Life Insurance Company recently filed a data breach report in Montana. The report indicates an incident on April 7, 2025, which was officially filed on December 30, 2025.
The specific categories of information reportedly involved in this breach have not been detailed. However, it is understood that the incident could have exposed personal information. The matter is currently under active investigation.
When personal information is compromised, individuals may face various risks, including potential identity theft or other forms of fraud. It is crucial for those affected to take proactive measures to protect themselves against the misuse of their data.
If you have received a notification letter from Sentinel Security Life Insurance Company or Atlantic Coast Life Insurance Company, it is important to review it carefully for any specific instructions or details provided. Regularly monitoring your accounts and financial statements for unusual activity is also a recommended general precaution.
Understanding your rights and potential recourse after a data breach can be complex. If you believe your personal information was compromised in this incident, you may be eligible to seek a free case review to explore your options. This process can help clarify the situation and guide you on potential next steps.
If a notification letter about this breach reached you, see every MT data breach on file or browse all cases.
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