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petfinder.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 petfinder.com, with 23,012 total events observed between July 2025 and June 2026. The majority of these events, 20,429, are classified as historical data breaches, with an additional 2,583 identified as active infostealer logs. The data suggests a widespread compromise affecting 22,855 clients and 157 employees. Prominent malware families associated with these events include Rhadamanthys, Redline, and LummaC2, commonly found on Windows operating systems. The primary source of leaked data appears to be combolist sources, with a small percentage originating from database dumps.

Total Events

23,012
credential exposure events

Employee Affected Events

157
account email domain = petfinder.com

Client Affected Events

22,855
service target = petfinder.com

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12-Month Events Timeline

Event volume by breach date, employee VS client

EmployeesClients
6,0004,0002,0000
peak month 5,903
Jul 25Sep 25Nov 25Jan 26Mar 26May 26Jun 26

Infostealers VS Data Breaches

Live stealer logs VS data breaches

Infostealer logs
Events2,583
Share11%
Data breaches
Events20,429
Share89%
Infostealer logs (11%)
2,583events
Data breaches (89%)
20,429events

157 compromised employee accounts pose an infrastructure risk, while 22,855 leaked client credentials create regulatory liability.

Antivirus Distribution

Security Tools on Infected Endpoints

Windows Defender64
Windows Defender Trend Micro Internet Security5
Windows Defender Kaspersky.2

Malware Families Distribution

Distribution of Active Stealer Strains

Rhadamanthys430
Redline365
LummaC2326
Acreed213
Vidar116
X-Files77
Blank Grabber36
Millenium28
Remus25

Top Login URLs

Top exposed services found in the event results

  1. 1petfinder.com2,354
  2. 2https://www.petfinder.com1,662
  3. 3https://petfinder.com1,584
  4. 4www.petfinder.com1,057
  5. 5https://www.petfinder.com/977
  6. 6https://www.petfinder.com/user/register/804
  7. 7petfinder.com/587
  8. 8https://www.petfinder.com/user/login/494
  9. 9petfinder.com/user/register/480
  10. 10www.petfinder.com/419

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
Events1,304
Canada
Events86
Nigeria
Events20
Venezuela
Events17
Indonesia
Events14
Pakistan
Events12
Egypt
Events10
Brazil
Events10

Country Breakdown

  1. 1United States1,304
  2. 2Canada86
  3. 3Nigeria20
  4. 4Venezuela17
  5. 5Indonesia14
  6. 6Pakistan12
  7. 7Egypt10
  8. 8Brazil10

Services Classification Distribution

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

-
Total

Operating System Distribution

Distribution of compromised endpoint builds

Windows 11328
Windows 11 24H2 build 26100 (64 Bit)228
Windows 10 Home x64190
Windows 10 Enterprise x64120
Windows 10 22H2 build 19045 (64 Bit)115

Leak Repository Classification

Where the exposed records currently reside

0
Named breaches
20,361
Combolist pools
68
Unattributed dumps

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