Onset Financial, Inc. Data Breach: Your Information Is At Risk

Onset Financial, Inc., a commercial equipment leasing and financing institution based in Montana, recently disclosed a cybersecurity incident. This breach, which reportedly occurred in May 2025 and was filed with the Montana Attorney General on December 12, 2025, compromised sensitive client information. Our team is closely monitoring the ongoing investigation into the specifics of this incident.

The exposed data includes Full Name, Social Security Number, Date of Birth, Financial Account Number, Routing Number, Tax Return Information, Credit Score Information, and Mailing Address. This combination of highly sensitive identifiers puts affected individuals at an elevated and immediate risk of identity theft, unauthorized financial transactions, and other sophisticated scams. Criminals can leverage such detailed information to open fraudulent accounts, make unauthorized purchases, or even file false tax returns in your name.

As a financial services company entrusted with confidential personal and financial data, Onset Financial, Inc. had a legal obligation to implement robust security measures to protect this information. The occurrence of a data breach of this scope suggests potential failures in their cybersecurity protocols, data management, or vendor oversight. Companies are expected to uphold a high standard of care in safeguarding client data, and a lapse can have severe consequences for those affected.

If you have received a data breach notification letter from Onset Financial, Inc., it confirms that your personal and financial data was compromised in this incident. It is vital to remain vigilant for any suspicious activity across your financial accounts and to proactively monitor your credit reports. However, you do not have to wait for direct financial harm to take action.

Our legal team specializes in representing consumers affected by corporate data breaches. We offer free case reviews to help you understand your rights and potential legal options. We operate on a contingency-fee basis, meaning you will not pay any upfront costs, and we only collect legal fees if we successfully secure compensation on your behalf.