HackingFinancial ServicesFinanceCustomer Data InvolvedIdentity (basic)Financial accountMediumContained

ONEMAIN FINANCIAL GROUP, LLC

bd_eb0c71d52ddcf4ce · schema v1 · pii pii-v2

Severity

Medium

Discovered

—

Filed

Sep 25, 2026

To disclose

—

Affected

1,516state residents only

Linked

6 filings

Confidence

67%

Full breach record for ONEMAIN FINANCIAL GROUP, LLC →7 incidents on file

OneMain Financial Group, LLC notified South Carolina residents of a data breach where unauthorized activity led to the access or acquisition of personal information, including names, addresses, and account-related data. The company contained the incident, engaged forensic investigators, and is offering credit monitoring. No evidence of unauthorized access to customer accounts was found.

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South Carolina clock✓ SC CRA notice due

⚠ no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Incident timeline — partial

? — ?

Breach window unknown

Sep 25, 2026

Filed

No interval is drawn: no breach start or discovery date is on record for this filing.

This filing is one of 6 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (5) · sorted by filing gap

Texas State AGbd_0200cf822cabde802026-09-25Candidate
California State AGbd_ddcdcd03e9a13cab2026-09-25Verified
Oregon State AGbd_95a867a6d181411c2026-09-28 · +3dVerified
Indiana State AGbd_fa59c8e33a14c3f12026-09-28 · +3dVerified

Show 1 more filing ↓up to 5d gap

Vermont State AGbd_a4d2e36fdce8fe842026-09-30 · +5dVerified

Name: ONEMAIN FINANCIAL GROUP, LLC
norm: onemain financial

Name: ONEMAIN FINANCIAL GROUP, LLC
norm: onemain financial
Industry: Financial Servicesllm

Discovered: —
Materiality determined: —
Notification sent: Sep 28, 2026
Affected individuals: 1,516state-resident count only
Data types: Identity (basic)Financial account
Attack vector: Unknown
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External

During the incident: Acted quickly to stop the activity
Took steps to enhance our security measures
Began working with a leading cybersecurity and forensic firm to investigate what happened
Offering complimentary access to Credit Monitoring and Identity Protection Services through TransUnion
Implemented enhanced security and monitoring controls
Changes made: Implemented enhanced security and monitoring controls
Remain committed to ongoing information security reviews to strengthen our security and privacy programs and controls
Source: Quoted from the filing itself, not independently verified.

Compliance flags: SC CRA notice due
Discovery-date grounding: no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 6 filings · 6 states

View merged incident ↗

Texas State AGSep 25 · first

California State AGSep 25 · first

South Carolina State AGSep 25 · first · this page

Oregon State AG+3d

Indiana State AG+3d

Vermont State AG+5d

Pattern: first filing Sep 25 (TX), last Sep 30 (VT) — a 5-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

Source URL: https://consumer.sc.gov/sites/consumer/files/Documents/Security%20Breach%20Notices/2026/Consumer%20Letter%20-%20OneMain%20Financial.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 25, 2026
Raw hash: e3627e5dd72e2f79e9499fb5ca37e40d6607b2de9e2bcda929575f42d99509e7

Linked disclosures

Regulatory filings (5) · sorted by filing gap

Reporting entityONEMAIN FINANCIAL GROUP, LLC

Victim entityONEMAIN FINANCIAL GROUP, LLC

IncidentUnknown

Stated responseActed quickly to stop the activity

ComplianceSC CRA notice due

Extraction provenanceno artifact recorded

Source provenanceconsumer.sc.gov