Data Breach Law Group Investigates the Onset Financial, Inc. Data Breach
By Data Breach Law Group | Posted on December 12, 2025 · Montana
Miami, FL — Data Breach Law Group is investigating a data breach involving Onset Financial, Inc., reported to the Montana Attorney General on December 12, 2025. The firm is reviewing whether affected individuals have legal claims arising from the incident.
Onset Financial, Inc. is a financial institution specializing in equipment leasing and commercial financing services. As a firm that facilitates complex financial transactions, they typically collect and store sensitive personal and financial data, including taxpayer identification numbers, banking details, and credit history information. In 2025, the company officially reported a data security incident to the Montana Attorney General, confirming that unauthorized parties may have accessed their systems. If you received a data breach notification letter from Onset Financial, it indicates that your personal information was likely involved in this incident. This notice serves to inform you of the nature of the event and the steps the company is taking to address the compromise of your sensitive financial records.
If you were affected
Stay alert to targeted scams
Be cautious of calls, texts, or emails that reference this breach. Legitimate organizations won't ask you to confirm sensitive details through an unsolicited message.
Keep your notification letter
Save the notice you received. It documents that your information was involved and is often needed to enroll in any credit monitoring offered or to join a related legal claim.
Did you receive a letter from Onset Financial, Inc.?
A case review is free and confidential. Tell us about your letter and we will explain your options.