OneMain Financial Group, LLC

OneMain Financial Group, LLC notified Washington AG on Sep 17, 2026 of a data breach affecting 2,928 Washington residents, which occurred on May 5, 2026. Data exposed: Social Security number, Financial / bank account, Date of birth, Name.

All 7 filings by OneMain Financial Group, LLC, state by state · Case file (dates, days to notice against the statute, what the letter offers, prior incidents)

Organization: OneMain Financial Group, LLC
Source: Washington AG · source record
Date reported: Sep 17, 2026
Date(s) of breach: 05/05/2026
Residents affected: 2,928 (Washington residents)
Data exposed: Social Security number Financial / bank account Date of birth Name
Notice letter: Sample notice (PDF)
Days to notice: 135 days from the end of the breach window (May 5, 2026, no discovery date in the letter) to the Washington record (Sep 17, 2026). Statute: 30 days from discovery of the breach (RCW 19.255.010).
First seen by BreachTally: 2026-11-09 00:01 UTC

Dates and counts as filed by the organization with the agency. The breach window and the report date often differ by months.

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Information compromised, as listed

Name; Social Security Number; Financial & Banking Information; Full Date of Birth

Other filings by OneMain Financial Group, LLC

Organization	Source	State	Reported	Residents affected	Data exposed
OneMain Financial Group, LLC	Vermont AG	VT	Sep 30, 2026	6	Social Security number
OneMain Financial	Oregon DOJ	OR	Sep 28, 2026	960	Not stated
OneMain Financial Group, LLC	California AG	CA	Sep 25, 2026	Not published	In the letter (PDF)
OneMain Financial Group, LLC	Massachusetts OCABR	MA	Sep 25, 2026	39	Social Security numberFinancial / bank account
OneMain Financial Group, LLC	Texas AG	TX	Sep 25, 2026	15,472	Social Security numberPostal addressName
OneMain Financial Group, LLC	California AG	CA	Sep 23, 2022	Not published	Social Security numberFinancial / bank accountUsernames / passwordsName

Data reproduced from a public government filing. Spot an error? Email support@breachtally.com with the record link. Corrections are applied and noted.