Social EngineeringFinancial ServicesFinancePhishingStolen CredentialsBECCustomer Data InvolvedMulti-Stage ChainRansom DemandedIdentity (basic)Financial accountLowContained

ONEMAIN FINANCIAL GROUP, LLC

bd_4bde48e2df630d23 · schema v1 · pii pii-v1

Severity

Low

Discovered

Jan 8, 2018

Filed

Feb 9, 2018

To disclose

5 weeks

Affected

1state residents only

Linked

2 filings

Confidence

66%

Full breach record for ONEMAIN FINANCIAL GROUP, LLC →4 incidents on file

OneMain Financial notified NH AG of a breach where unauthorized actors compromised customer email accounts (Sept 2017-Jan 2018) to access OneMain online accounts. OneMain discovered the incident on Jan 8, 2018. Data accessed included names, phone numbers, loan account numbers, and insurance types. Some accounts saw unauthorized Rewards point inflation/redemption and unauthorized loan payments. OneMain engaged forensic experts, assisted law enforcement, secured systems, and is refunding unauthorized payments and restoring points. 1 NH resident affected.

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Incident timeline

undetected · 129 days

discovery → filing · 5 weeks / 32 days

Sep 1, 2017

Begins

Jan 8, 2018

Discovered

Feb 9, 2018

Filed

vs. sector median

4 wks faster

This filing is one of 2 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

South Carolina State AGbd_112c7a386a7fe58b2018-02-12 · +3dVerified

Name: ONEMAIN FINANCIAL GROUP, LLC
norm: onemain financial

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

Discovered: Jan 8, 2018
Breach occurred: Sep 1, 2017 – Jan 16, 2018
Undetected for: 129 daysoccurrence → discovery
Materiality determined: —
Notification sent: Feb 6, 2018
Affected individuals: 1state-resident count only
Data types: Identity (basic)Financial account
Attack vector: Phishing
MITRE ATT&CK: T1078 Valid AccountsT1114 Email Collection
Threat actor: ExternalFinancial
Regulator citations: Notified Office of the New Hampshire Attorney General
Initial access: phishing_link

During the incident: Launched an investigation into the nature and scope of the incident
Retained a leading team of data security experts to conduct a forensic investigation
Assisting law enforcement authorities with their investigation
Took appropriate action to secure its system
Blocked any further unauthorized access
Mitigated the effects of this incident
Restoring any customer's Rewards points that were subject to an unauthorized redemption
Refunding any unauthorized payments on OneMain loan accounts
Locked your OneMain online account by requiring you to reset your security questions
Changes made: Reset security questions for affected accounts
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 5 weeks(32 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

New Hampshire State AGFeb 9 · first · this page

South Carolina State AG+3d

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://mm.nh.gov/files/uploads/doj/remote-docs/onemain-financial-20180209.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Feb 9, 2018
Raw hash: 9a644d843f1d9c621651ad22cf70fb76207041ff276a714808f28337a46f66d1

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityONEMAIN FINANCIAL GROUP, LLC

Victim entityONEMAIN FINANCIAL GROUP, LLC

Incidentdiscovered Jan 8, 2018

Stated responseLaunched an investigation into the nature and scope of the incident

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov