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Case file

Case File: OneMain Financial Group, LLC Data Breach

This file collects the dated facts on record for the OneMain Financial Group, LLC incident. The state report is dated September 25, 2026. The incident itself is dated May 5, 2026.

Timeline

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

  1. May 5, 2026Incident dateWhen the filing says the breach took place.
  2. September 25, 2026Report filed in TexasDate the notice was lodged with the Texas Attorney General.

Case facts

Filing state
Texas
Date reported
September 25, 2026
Incident date
May 5, 2026
Receiving office
Texas Attorney General

Data categories in the file

  • Full Name
  • Social Security Number
  • Date of Birth
  • Financial Account Number
  • Routing Number
  • Credit Score Information
  • Mailing Address
  • Phone Number
  • Employment and Income Data

Case notes

OneMain Financial Group, LLC, a consumer finance company operating in Texas, has confirmed a data breach involving personal and financial customer information. The incident took place on May 5, 2026, and was subsequently reported to regulators on September 25, 2026, as detailed in public filings.

According to these reports, the breach exposed a range of highly sensitive data. This includes individuals' Full Name, Social Security Number, Date of Birth, Financial Account Number, Routing Number, Credit Score Information, Mailing Address, Phone Number, and Employment and Income Data.

Such a comprehensive exposure of personal and financial details carries considerable risks for those affected. Compromised information of this nature could potentially be exploited for various forms of identity theft, unauthorized financial transactions, or the opening of fraudulent accounts in victims' names.

If you have received a notification regarding this OneMain Financial Group incident, it is important to take protective measures. Widely recommended steps include placing a fraud alert or a credit freeze with the three major credit bureaus: Equifax, Experian, and TransUnion. These actions can help prevent unauthorized access to your credit files.

Furthermore, regularly review all financial account statements, credit card activity, and explanations of benefits for any unfamiliar or suspicious transactions. Exercise caution when encountering unsolicited communications, particularly those that request personal or financial information, as these could be phishing attempts targeting compromised individuals.

Questions about this case file

Where does the OneMain Financial Group, LLC case file come from?
Every entry is taken from the breach report OneMain Financial Group, LLC lodged with the Texas 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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Filing source: Texas Attorney General