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lincolnfinancial.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 impacting Lincoln Financial Group, with a total of 10,944 recorded events over the period from July 2025 to June 2026. The majority of these events, 83.3%, are classified as historical data breaches, totaling 9,120 incidents. Additionally, 16.7% of events are active infostealer logs, amounting to 1,824 incidents. The timeline shows a surge in employee-related events in January 2026, with 5,191 incidents, while client-related events peaked in March 2026 with 1,009 incidents. Malware families such as Rhadamanthys, Acreed, and LummaC2 are prominently featured, suggesting a sophisticated threat actor. The exposure is primarily linked to credential stuffing and data dumps from combolist sources and database dumps, affecting authentication services like auth.lincolnfinancial.com and registration services. The majority of affected systems are running Windows 11 and Windows 10 operating systems.

Total Events

10,944
credential exposure events

Employee Affected Events

5,201
account email domain = lincolnfinancial.com

Client Affected Events

5,743
service target = lincolnfinancial.com

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12-Month Events Timeline

Event volume by breach date, employee VS client

EmployeesClients
6,0004,0002,0000
peak month 5,191
Jul 25Sep 25Nov 25Jan 26Mar 26May 26Jun 26

Infostealers VS Data Breaches

Live stealer logs VS data breaches

Infostealer logs
Events1,824
Share17%
Data breaches
Events9,120
Share83%
Infostealer logs (17%)
1,824events
Data breaches (83%)
9,120events

5,201 compromised employee accounts pose an infrastructure risk, while 5,743 leaked client credentials create regulatory liability.

Antivirus Distribution

Security Tools on Infected Endpoints

Windows Defender52
McAfee30
McAfee VirusScan8
Avast AVG2
Windows Defender.1
Avast Norton1

Malware Families Distribution

Distribution of Active Stealer Strains

Rhadamanthys296
Acreed263
LummaC2187
Redline154
Vidar92
X-Files60
Millenium39
Blank Grabber24
StealC13

Top Login URLs

Top exposed services found in the event results

  1. 1https://auth.lincolnfinancial.com/login1,486
  2. 2auth.lincolnfinancial.com/login707
  3. 3https://regn.lincolnfinancial.com/ent-ui-registration/index.html577
  4. 4https://auth.lincolnfinancial.com361
  5. 5auth.lincolnfinancial.com336
  6. 6https://auth.lincolnfinancial.com/255
  7. 7regn.lincolnfinancial.com/ent-ui-registration/index.html213
  8. 8https://www.lincolnfinancial.com/regn/static/regn-consumer/129
  9. 9auth.lincolnfinancial.com/115
  10. 10lincolnfinancial.com/regn/static/regn-consumer/115

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
Events1,041
India
Events10
Philippines
Events9
Tanzania
Events6
Brazil
Events5
Indonesia
Events5
Spain
Events4

Country Breakdown

  1. 1United States1,041
  2. 2India10
  3. 3Philippines9
  4. 4Dominican Republic9
  5. 5Tanzania6
  6. 6Brazil5
  7. 7Indonesia5
  8. 8Spain4

Services Classification Distribution

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

-
Total

Operating System Distribution

Distribution of compromised endpoint builds

Windows 11241
Windows 11 24H2 build 26100 (64 Bit)170
Windows 10117
Windows 10 22H2 build 19045 (64 Bit)63
Windows 10 Home x6462

Leak Repository Classification

Where the exposed records currently reside

0
Named breaches
3,920
Combolist pools
5,200
Unattributed dumps

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