BreachCensus

Nationstar Mortgage (dba Mr. Cooper)

United States of America

Nationstar Mortgage (dba Mr. Cooper) is an organisation in California. It appears on the California Attorney General breach-notification register with 3 confirmed incidents; the most recent notice was filed on March 22, 2024.

Data as of September 6, 2026.

Sources

Confirmed incident

US-CA

Occurred
October 30, 2023
Disclosed
March 22, 2024

Timeline

  1. March 22, 2024
    Reported to regulator Regulator

    CA AG breach notification: an unknown number of California residents affected

    source
What a California notice means

Required under Cal. Civ. Code §1798.82. A copy of the notification must be sent to the Attorney General when a single breach requires notifying more than 500 California residents.

Note: no affected-count is published on this register.

California breach-notification register ↗

Confirmed incident

US-DE

Occurred
October 30, 2023
Disclosed
December 15, 2023

Timeline

  1. December 15, 2023
    Reported to regulator Regulator

    DE AG breach notification: 54,789 Delaware residents affected

    source
Confirmed incident

US-HI

Disclosed
December 5, 2023

Timeline

  1. December 5, 2023
    Reported to regulator Regulator

    HI AG breach notification: 55,958 Hawaii residents affected

    source

Related

Disclosed around the same time