AccidentalFinancial ServicesFinanceMisdeliveryCustomer Data InvolvedIdentity (basic)PIILowResolved

Nationstar Mortgage LLC

bd_4f5e8626c069e286 · schema v1 · pii pii-v1

Severity

Low

Discovered

Oct 9, 2017

Filed

Jan 5, 2018

To disclose

13 weeks

Affected

1state residents only

Confidence

66%

Nationstar Mortgage LLC (d/b/a Mr. Cooper) disclosed an inadvertent mailing error occurring on or about October 9, 2017, where borrowers received another borrower's personal information (names, addresses, loan numbers). The company offered one year of complimentary credit monitoring and identity theft protection services.

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Incident timeline

discovery → filing · 13 weeks / 88 days

Oct 9, 2017

Begins

Oct 9, 2017

Discovered

Jan 5, 2018

Filed

vs. sector median

+4 wks slower

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed1 affectedView incident

Name: Nationstar Mortgage LLC
norm: nationstar mortgage

Name: Nationstar Mortgage LLC
norm: nationstar mortgage
Industry: Financial Servicesllm

Discovered: Oct 9, 2017
Breach occurred: Oct 9, 2017
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jan 5, 2018
Affected individuals: 1state-resident count only
Data types: Identity (basic)PII
Attack vector: Misconfiguration
MITRE ATT&CK: T1052 Exfiltration Over Physical Medium

During the incident: Offering complimentary membership of Assurant ID Fraud Solutions Credit Monitoring
Offering identity restoration support
Putting additional security and remediation measures in place
Changes made: Putting additional security and remediation measures in place to prevent such an incident from happening again
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 13 weeks(88 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

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://dojmt.gov/wp-content/uploads/Mr.-Cooper_Redacted.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jan 5, 2018
Raw hash: 759b97d899251fbdf165a52ece3b4041c64b17db2d076d95d533427f11a57452

Reporting entityNationstar Mortgage LLC

Victim entityNationstar Mortgage LLC

Incidentdiscovered Oct 9, 2017

Stated responseOffering complimentary membership of Assurant ID Fraud Solutions Credit Monitoring

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov