Class Action HeroInvestigations

Under watch

OneMain Financial data breach lawsuit

Status: Lawsuit filed, no settlement · Updated 2026-10-15

A class action filed in Maryland federal court claims OneMain Financial failed to protect customers' names, addresses, and Social Security numbers exposed in a data breach.

The company filed a public disclosure notice about the breach on September 25, 2026, according to the complaint.

The complaint alleges unencrypted customer data was accessed by unauthorized third parties. OneMain Financial has not admitted wrongdoing.

Who should watch this

OneMain Financial customers whose private information was accessed in the breach.

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Sources

Allegations described here are the plaintiffs' claims as reported; no court has ruled on them and no settlement exists. This page is information, not legal advice.