Menu

  • Alerts
  • Incidents
  • News
  • APTs
  • Cyber Decoded
  • Cyber Hygiene
  • Cyber Review
  • Cyber Tips
  • Definitions
  • Malware
  • Threat Actors
  • Tutorials

Useful Tools

  • Password generator
  • Report an incident
  • Report to authorities
No Result
View All Result
CTF Hack Havoc
CyberMaterial
  • Education
    • Cyber Decoded
    • Definitions
  • Information
    • Alerts
    • Incidents
    • News
  • Insights
    • Cyber Hygiene
    • Cyber Review
    • Tips
    • Tutorials
  • Support
    • Contact Us
    • Report an incident
  • About
    • About Us
    • Advertise with us
Get Help
Hall of Hacks
  • Education
    • Cyber Decoded
    • Definitions
  • Information
    • Alerts
    • Incidents
    • News
  • Insights
    • Cyber Hygiene
    • Cyber Review
    • Tips
    • Tutorials
  • Support
    • Contact Us
    • Report an incident
  • About
    • About Us
    • Advertise with us
Get Help
No Result
View All Result
Hall of Hacks
CyberMaterial
No Result
View All Result
Home Incidents

Security Breach at Mr. Cooper

November 3, 2023
Reading Time: 7 mins read
in Incidents

Major U.S. mortgage lender Mr. Cooper, formerly Nationstar Mortgage LLC, experienced a significant cyberattack that disrupted its IT systems, including the online payment portal. The breach, detected on October 31, 20unit23, involved an unauthorized third party gaining access to certain technology systems. In response, the company initiated security protocols, deployed containment measures, and temporarily shut down specific systems as a precaution.

While it has not been confirmed as a ransomware attack, the incident has left customers unable to make mortgage payments, though Mr. Cooper promises not to impose fees or penalties for late payments during system restoration.

Mr. Cooper, headquartered in Dallas, Texas, is a leading mortgage lender with 4.1 million customers and a loan servicing portfolio of $937 billion. Following the cyberattack, the company is actively working to resolve the issue, providing regular updates through their incident website. They are also conducting an investigation to determine whether customer data was stolen during the breach, and they will notify affected customers accordingly. The incident raises concerns about potential data exposure, and while the nature of the attack remains undisclosed, it exhibits characteristics common to ransomware attacks, such as the potential for data theft to exert pressure for a ransom payment.

As Mr. Cooper stores sensitive customer information, including financial data, customers are urged to remain vigilant against potential phishing attacks and identity theft, given the possibility of data exposure during the breach.

This incident highlights the ongoing challenges companies face in safeguarding sensitive data and mitigating the impacts of cyberattacks on their operations and customers. Please note that the text contains specific date references, which may become outdated over time.

References:

  • Notice of Cyber Security Incident
  • Notice of Cybersecurity Incident – PDF
Tags: 2023Cyber incidentCyber Incidents 2023CyberattackCybersecurityITNovember 2023United States
ADVERTISEMENT

Related Posts

Salesforce Breach Hits Over 200 Victims

Over 50000 Asus Routers Compromised

November 21, 2025
Salesforce Breach Hits Over 200 Victims

Salesforce Breach Hits Over 200 Victims

November 21, 2025
Almaviva Leak Exposes FS Group Data

Almaviva Leak Exposes FS Group Data

November 21, 2025
Eurofiber Confirms Data Theft Hack

Ransomware Hits LG Battery Subsidiary

November 20, 2025
Eurofiber Confirms Data Theft Hack

WhatsApp Flaw Exposed User Numbers

November 20, 2025
Eurofiber Confirms Data Theft Hack

Eurofiber Confirms Data Theft Hack

November 20, 2025

Latest Alerts

Sturnus Trojan Steals Android Chats

Tsundere Botnet Grows via Game Lures

APT24 Uses BADAUDIO in Taiwan Spying

Hackers Target GlobalProtect Portals

New 7 Zip Flaw Exploited In Attacks

Microsoft Office Zero Day For Sale

Subscribe to our newsletter

    Latest Incidents

    Over 50000 Asus Routers Compromised

    Salesforce Breach Hits Over 200 Victims

    Almaviva Leak Exposes FS Group Data

    Ransomware Hits LG Battery Subsidiary

    WhatsApp Flaw Exposed User Numbers

    Eurofiber Confirms Data Theft Hack

    CyberMaterial Logo
    • About Us
    • Contact Us
    • Jobs
    • Legal and Privacy Policy
    • Site Map

    © 2025 | CyberMaterial | All rights reserved

    Welcome Back!

    Login to your account below

    Forgotten Password?

    Retrieve your password

    Please enter your username or email address to reset your password.

    Log In

    Add New Playlist

    No Result
    View All Result
    • Alerts
    • Incidents
    • News
    • Cyber Decoded
    • Cyber Hygiene
    • Cyber Review
    • Definitions
    • Malware
    • Cyber Tips
    • Tutorials
    • Advanced Persistent Threats
    • Threat Actors
    • Report an incident
    • Password Generator
    • About Us
    • Contact Us
    • Advertise with us

    Copyright © 2025 CyberMaterial