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morningstar.com Domain Breach Exposure Report

Risk Score

High Risk

Massive event volume or critical assets compromised.

AI Findings Summary

Critical

The telemetry indicates a significant exposure event affecting morningstar.com, with a total of 45,247 recorded events between July 2025 and June 2026. The majority of these events, 87.7%, are classified as historical data breaches, impacting 39,695 entities, while 12.3% are active infostealer logs, affecting 5,552 entities. The timeline shows a sharp increase in employee and client-related events in January 2026, suggesting a potential peak in compromise activity during that period. The data also highlights the prevalence of infostealer malware families such as Redline, LummaC2, and Rhadamanthys, commonly associated with credential harvesting. The primary sources of leaked data appear to be combolist sources and database dumps, indicating a high risk of credential stuffing and account takeover.

Total Events

45,247
credential exposure events

Employee Affected Events

11,056
account email domain = morningstar.com

Client Affected Events

34,191
service target = morningstar.com

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12-Month Events Timeline

Event volume by breach date, employee VS client

EmployeesClients
10,0006,6673,3330
peak month 8,810
Jul 25Sep 25Nov 25Jan 26Mar 26May 26Jun 26

Infostealers VS Data Breaches

Live stealer logs VS data breaches

Infostealer logs
Events5,552
Share12%
Data breaches
Events39,695
Share88%
Infostealer logs (12%)
5,552events
Data breaches (88%)
39,695events

11,056 compromised employee accounts pose an infrastructure risk, while 34,191 leaked client credentials create regulatory liability.

Antivirus Distribution

Security Tools on Infected Endpoints

Windows Defender91
Windows Defender McAfee26
Windows Defender Webroot SecureAnywhere18
Windows Defender Reason Cybersecurity11
Windows Defender AVG Antivirus6
Windows Defender ESET Security4
Windows Defender.3
Reason Cybersecurity1

Malware Families Distribution

Distribution of Active Stealer Strains

Redline773
LummaC2751
Rhadamanthys705
Acreed488
Vidar277
X-Files80
StealC78
RisePro49
Millenium48

Top Login URLs

Top exposed services found in the event results

  1. 1https://login-prod.morningstar.com/login2,920
  2. 2morningstar.com2,288
  3. 3login-prod.morningstar.com/login1,693
  4. 4https://www.morningstar.com/sign-up1,537
  5. 5https://morningstar.com1,416
  6. 6https://www.morningstar.com1,332
  7. 7morningstar.com/sign-up1,086
  8. 8https://login-prod.morningstar.com1,068
  9. 9login-prod.morningstar.com934
  10. 10www.morningstar.com880

Infostealer By Geography

Shows the distribution of Infostealer-related credential exposure events across different geographic regions. The location is determined by analyzing the metadata of the infected machines associated with each event.

United States
Events727
India
Events541
China
Events250
Spain
Events241
Malaysia
Events129
Canada
Events111
Italy
Events107
United Kingdom
Events85

Country Breakdown

  1. 1United States727
  2. 2India541
  3. 3China250
  4. 4Spain241
  5. 5Malaysia129
  6. 6Canada111
  7. 7Italy107
  8. 8United Kingdom85

Services Classification Distribution

Blast radius - closer to core = more critical infrastructure, size = credential volume

Okta224
Microsoft218
Microsoft Entra ID (External ID / B2C)15
Salesforce11
WordPress8
Cisco (AnyConnect)8
Auth05

Operating System Distribution

Distribution of compromised endpoint builds

Windows 11664
Windows 11 24H2 build 26100 (64 Bit)425
Windows 10 Enterprise x64306
Windows 10 Home x64187
Windows 10 22H2 build 19045 (64 Bit)172

Leak Repository Classification

Where the exposed records currently reside

0
Named breaches
31,128
Combolist pools
8,567
Unattributed dumps

Disclaimer: This report includes AI-generated content. AI can make mistakes, so verify important findings independently before taking action.