All Breaches
Mr. Cooper Data Breach
In October 2023, major US mortgage loan servicer Mr. Cooper (formerly Nationstar Mortgage) suffered a severe cyber intrusion that locked operational platforms.
14.7 Million
Reported Records
7
Data Types
Critical
Severity
Oct 20, 2026
Last updated
Exposed Data Types
7- Names
- Social security numbers
- Dates of birth
- Bank account numbers
- Mortgage loan details
- Physical addresses
- Phone numbers
About This Breach
Disclosures confirmed that personal and financial records for approximately 14.7 million current and former customers, including Social security numbers and bank account details, were compromised.
Verification and editorial method
LeakData compares the incident name, date, affected-record count, and exposed data types with accessible sources. Unverified fields are not presented as facts, and records are updated when new evidence becomes available.
Report missing or incorrect information
