OneMain Financial Group, LLC, a consumer finance company, experienced a data security incident where unauthorized access or acquisition of files occurred on May 5, 2026. The company reportedly identified suspicious activity in May 2026 and began mailing notices to affected individuals on September 28, 2026.
The breach confirmed the exposure of names, addresses, and Social Security numbers for at least 17,948 individuals. This includes 15,472 Texas residents, 1,516 South Carolina residents, and 960 Oregon residents. Exposure of medical or broader financial data, as well as a confirmed national total of affected individuals, remains unverified by the cited state-filing summaries.
Various law firms have announced investigations into the incident, and multiple class-action lawsuits have been filed in federal courts. These filings indicate active litigation related to the breach. The full scope of the breach, including any additional data types affected or a definitive national count, may become clearer as investigations and legal proceedings advance.