Every public data breach

Disclosed this week47On record26,367

47 disclosed this week · 26,367 on record

Nationstar Mortgage

Disclosed Dec 15, 2023Confirmed

Official notice

What is known

People affectedNot stated in the sources we have
DisclosedDec 15, 2023
DiscoveredOct 31, 2023
HappenedOct 30, 2023
AttackRansomware
Data exposedNames
SectorFinance · US
StatusConfirmed

Sources

Official noticeoag.ca.gov
California Attorney General breach notice: Nationstar Mortgage
Official noticeatg.wa.gov
Washington Attorney General breach notice: Nationstar Mortgage
Official noticeattorneygeneral.delaware.gov
Notice letter filed with the Delaware DOJ: Nationstar Mortgage
Official noticejustice.oregon.gov
Oregon DOJ breach notice: Nationstar Mortgage

Notices filed

Residents of CADec 15, 2023
California AGCount not stated
Residents of WADec 15, 2023
Washington AG408,616 people
Residents of DEDec 15, 2023
Delaware DOJ54,789 people
Residents of ORDec 15, 2023
Oregon DOJ14,690,284 people
Residents of CAMar 22, 2024
California AGCount not stated

Other breaches at Nationstar Mortgage

Breach, details not statedBreach notice filed with the Indiana AG, details not stated.596 affectedFinanceUSMar 19, 2021Breach, details not statedExposed names, payment cards, financial details and passwords. Reported to the Indiana AG.32 affectedFinanceUSNov 9, 2016Breach, details not statedBreach notice filed with the California AG, details not stated.1,159 affectedFinanceUSAug 12, 2015
History of this record
data_types2026-09-25
[] to ["names"]by backfillSource
attack2026-09-25
unknown to ransomwareby backfillSource
discovered2026-09-25
empty to 2023-10-31by backfillSource
disclosed2026-09-25
2024-03-22 to 2023-12-15by backfillSource
Added2026-09-25
First recordedby backfillSource

First seen 2026-09-25 (California AG), confirmed by California AG. Record counts are as reported. Not legal advice.

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