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Investigation OpenMT AG Filing · December 12, 2025

Join the Onset Financial, Inc. Data Breach Class Action Lawsuit

Onset Financial, Inc. reported a data breach to the Montana Attorney General's office on December 12, 2025. Under Montana law (Mont. Code Ann. § 30-14-1704), Onset Financial, Inc. was legally required to notify every affected resident once the breach was confirmed. The notification letter you received is your official legal notice that your personal information was compromised — and the starting point for a potential class action claim.

MT
State Filed
December 12, 2025
Date Filed
View Official AG Filing

About the Notice You Received

About the Onset Financial, Inc. Data Breach Notification Letter

If you received a data breach notification letter, notice, or mailing from Onset Financial, Inc., this communication confirms that your personal information was exposed or accessed without authorization.

Under Montana law (Mont. Code Ann. § 30-14-1704), companies are legally required to send a written breach notification to every affected resident. This may arrive as a letter in the mail, a formal notification mailing, or an email notice — all are equally valid as evidence of harm.

Your Onset Financial, Inc. notification letter is more than an informational warning. It is legally required documentation — and the starting point for a potential class action claim against Onset Financial, Inc..

This notice may also be referred to as:

  • Data breach notification letter
  • Security incident notice
  • Data breach notice
  • Breach notification mailing
  • Consumer data breach letter
  • Personal information breach notice
  • Written notice of data breach
  • Data breach alert letter

It Takes 2 Minutes

How to Join This Class Action

1

Submit Your Info

Tell us you received a notification letter from Onset Financial, Inc.. No need to have the letter handy — just your name and contact info.

2

Attorney Reviews Your Case

A licensed data breach attorney will review your eligibility within 24 hours and contact you directly. Completely free, no obligation.

3

Join & Pursue Compensation

If you qualify, your attorney handles everything. You pay nothing unless your case results in a recovery on your behalf.

Why This Breach Matters

What Onset Financial, Inc. Held About You

Banks and financial institutions are high-value targets because the data they hold is directly connected to your money. Account numbers, routing numbers, online banking credentials, Social Security numbers, and full transaction histories can be used immediately for unauthorized transfers, to drain accounts, or to open new fraudulent credit lines. Contact your bank to monitor for suspicious activity and consider placing a fraud alert with the major credit bureaus.

Montana residents are protected by Mont. Code Ann. § 30-14-1704, which gives you the right to pursue legal remedies when a company fails to adequately protect your data.

Common Questions

About the Onset Financial, Inc. Case

I received a Onset Financial, Inc. breach notice — does it mean my data was stolen?

Yes. Receiving a Onset Financial, Inc. data breach letter, notice, or notification mailing means your personal information was accessed or exposed without authorization. Companies are only required to send these notices when a confirmed breach occurred affecting your data specifically.

Is there a deadline to act after receiving my Onset Financial, Inc. notification letter?

Yes. Montana and federal law impose statutes of limitations on data breach claims. Once a class action lawsuit is filed by another attorney, the window to be a named plaintiff typically closes quickly. Submitting a free case review now ensures you are positioned before those windows pass. There is no cost and no obligation to find out if you qualify.

How much does it cost to pursue a claim?

Nothing upfront. Representation is 100% contingency-based — a fee is only collected if your case results in compensation. If there is no recovery, you owe nothing at any stage.

Why Join the Onset Financial, Inc. Class Action?

Your Notification Letter Is Evidence

Onset Financial, Inc. was required by law to notify you because your personal data was compromised. That letter is evidence of harm — and the foundation for a legal claim.

Statutes of Limitation Apply

Data breach claims have deadlines. The sooner you act after receiving your letter, the better positioned you are to participate and recover.

Class Actions Level the Playing Field

By joining with other Onset Financial, Inc. letter recipients, you have access to legal resources that would be too costly to pursue individually.

Zero Risk, Contingency Only

You never pay attorney fees out of pocket. Our representation is 100% contingency-based — we only get paid if you recover compensation.

No Fee Unless You Recover

Have Questions? Call or Text Us Now

A member of the legal team is available to answer your questions. Or scroll to the top to submit your case review form — free and no obligation.

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