Where does the Number One Insurance Agency case file come from?

Every entry is taken from the breach report Number One Insurance Agency lodged with the Massachusetts 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.

Case file

Case File: Number One Insurance Agency Data Breach

This file collects the dated facts on record for the Number One Insurance Agency incident. The state report is dated January 8, 2026.

Timeline

January 8, 2026Report filed in MassachusettsDate the notice was lodged with the Massachusetts Attorney General.

Case facts

Filing state: Massachusetts
Date reported: January 8, 2026
Receiving office: Massachusetts Attorney General

Case notes

Number One Insurance Agency, an insurer operating within Massachusetts, officially reported a data security incident on January 8, 2026. The company stated that an investigation into the full scope and nature of the breach is actively underway following the unauthorized access.

As a foundational fixture in the property, casualty, and commercial insurance sector, Number One Insurance Agency routinely processes and stores an extensive volume of sensitive personal information to manage policies and claims.

The incident involved an unauthorized intrusion into systems safeguarding confidential data. While the specific categories of information exposed have not been detailed in the public record, individuals who received notification should carefully review any correspondence from Number One Insurance Agency for specific details.

Individuals potentially affected by this incident should remain vigilant for suspicious activity. It is advisable to regularly review financial account statements and credit reports for any unauthorized transactions or unfamiliar accounts.

Consider implementing a fraud alert or placing a credit freeze with credit bureaus, which can help prevent new accounts from being opened in your name. Additionally, exercise caution with unsolicited communications, such as emails, texts, or calls, that request personal information, as these could be phishing attempts.

Questions about this case file

Where does the Number One Insurance Agency case file come from?: Every entry is taken from the breach report Number One Insurance Agency lodged with the Massachusetts 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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Timeline

Case facts

Case notes

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