Where does the Onset Financial, Inc. case file come from?

Every entry is taken from the breach report Onset Financial, Inc. lodged with the Montana 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: Onset Financial, Inc. Data Breach

This file collects the dated facts on record for the Onset Financial, Inc. incident. The state report is dated December 12, 2025. The incident itself is dated May 2, 2025.

Timeline

224 days separate the incident date from the date it was reported.

May 2, 2025Incident dateWhen the filing says the breach took place.
December 12, 2025Report filed in MontanaDate the notice was lodged with the Montana Attorney General.

Case facts

Filing state: Montana
Date reported: December 12, 2025
Incident date: May 2, 2025
Receiving office: Montana Attorney General

Case notes

Onset Financial, Inc. has publicly reported a data security incident to Montana state regulators. The company filed its official notice on December 12, 2025, indicating that the breach was initially identified on May 2, 2025. The investigation into the incident is currently ongoing.

The public filing does not specify the particular types of information involved in this event, nor does it detail the nature of the breach itself. Individuals who receive a direct notification from Onset Financial, Inc. should refer to that communication for the most specific details concerning their personal information.

Those potentially affected are individuals whose data was maintained by Onset Financial, Inc. and may have been compromised during the incident. The purpose of such notifications is to inform recipients about the event and provide details on steps they can take to mitigate potential risks.

Individuals who receive a breach notification from Onset Financial, Inc. are advised to carefully review its contents for specific instructions. General recommendations often include monitoring personal accounts for any unauthorized activity and remaining vigilant against unsolicited communications. It may also be prudent to consider placing a fraud alert or security freeze on your credit reports as a precautionary measure.

This information is derived from public data breach filings made with state regulators and is provided to help individuals verify official notifications they may receive. It reflects the details available at the time of the filing.

Questions about this case file

Where does the Onset Financial, Inc. case file come from?: Every entry is taken from the breach report Onset Financial, Inc. lodged with the Montana 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.

Montana data breaches

Filing source: Montana Attorney General

Named in the Onset Financial, Inc. breach?

Attach your notice and a short note. An attorney checks it against this case file at no cost.

Timeline

Case facts

Case notes

Questions about this case file

More Montana case files