Mr. Cooper
Disclosed Nov 2, 20232 years ago14,600,000 affectedConfirmed
Cyberattack on mortgage servicer Mr. Cooper exposes data of 14.6 million customers
Mortgage servicer Mr. Cooper said an unauthorized party accessed its systems on October 31, 2023 and took personal data on substantially all current and former customers. Its filing with the Maine attorney general put the total at more than 14.6 million people, including Social Security and bank account numbers.
What is known
| People affected | 14,600,000 (as reported by the organization) |
|---|---|
| Disclosed | Nov 2, 2023 |
| Discovered | Oct 31, 2023 |
| Attack | Hacking |
| Data exposed | Names, Addresses, Phone numbers, Dates of birth, Social Security numbers, Financial |
| Sector | Finance · US |
| Status | Confirmed |
Sources
| Source | |
|---|---|
| California AG data breach notice: Nationstar Mortgage LLC (dba Mr. Cooper)oag.ca.gov · Regulator | Regulator |
| Mr. Cooper hackers stole personal data on 14 million customerstechcrunch.com · News | News |
| Mr. Cooper Group Inc. Form 8-K/A, December 15, 2023sec.gov · SEC filing | SEC filing |
Notices filed
| Where | Filed | People |
|---|---|---|
| Researchtotal | Nov 2, 2023 | 14,600,000 |
Other breaches at Mr. Cooper
| Breach | Affected | ||||
|---|---|---|---|---|---|
| Disclosed Aug 30, 2017Aug 30, 20179 years ago | Aug 30, 20179 years ago | Not stated | Finance | Confirmed | 8,118 |
History of this record
- 2026-09-25 · added · seed source
First seen 2026-09-25 (Research), confirmed by Research. Record counts are as reported. Not legal advice.