Latest / California / March 2024

Nationstar Mortgage (dba Mr. Cooper)

Nationstar Mortgage (dba Mr. Cooper) notified California AG on Mar 22, 2024 of a data breach, which occurred on Oct 30, 2023. Data exposed: Social Security number, Financial / bank account, Date of birth, Phone number, Postal address, Name.

All 4 filings by Nationstar Mortgage (dba Mr. Cooper), state by state · Case file (dates, days to notice against the statute, what the letter offers, prior incidents)

Organization
Nationstar Mortgage (dba Mr. Cooper)
Source
California AG · source record
Date reported
Mar 22, 2024
Date(s) of breach
Monday, October 30, 2023
Residents affected
Not published by this source
Data exposed
Social Security number Financial / bank account Date of birth Phone number Postal address Name
Notice letter
Sample notice (PDF)
Days to notice
144 days from the end of the breach window (Oct 30, 2023, no discovery date in the letter) to the California record (Mar 22, 2024). Statute: 30 days from discovery or notification of the breach (Cal. Civ. Code § 1798.82).
Offered in the letter
24 months of credit or identity monitoring through Experian
First seen by BreachTally
2026-10-30 15:41 UTC

Dates and counts as filed by the organization with the agency. The breach window and the report date often differ by months.

First seen by BreachTally at 15:41 UTC on Oct 30, 2026. New filings reach paid subscribers within 30 minutes of the agency posting, with the count, the data exposed and the letter. Start a 14-day free trial. We email you two days before the first charge and you cancel in one click.
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Other filings by Nationstar Mortgage (dba Mr. Cooper)

OrganizationSourceStateReportedResidents affectedData exposed
Nationstar Mortgage LLC (dba Mr. Cooper) Oregon DOJ OR Dec 15, 2023 14,690,284 Not stated
Nationstar Mortgage LLC (dba Mr. Cooper) California AG CA Dec 15, 2023 Not published Social Security numberFinancial / bank accountDate of birthPhone number+2
Nationstar Mortgage LLC (dba Mr. Cooper) Delaware DOJ DE Dec 15, 2023 12 Social Security numberFinancial / bank accountDate of birthPhone number+2

Data reproduced from a public government filing. Spot an error? Email support@breachtally.com with the record link. Corrections are applied and noted.