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berkley.com Domain Breach Exposure Report

Risk Score

High Risk

Massive event volume or critical assets compromised.

AI Findings Summary

Critical

The domain berkley.com has experienced a significant number of data breaches, totaling 907 events, which represent 96.7% of all observed events. Additionally, there were 31 infostealer events, indicating potential credential harvesting. The timeline shows a surge in employee-related events in September 2025 and January 2026, with client-related events peaking in August 2025. Malware families associated with these events include Rhadamanthys and Redline, commonly used for credential theft. The exposure is primarily linked to credential stuffing and database dumps found in leak repositories, affecting login services like auth-login.berkley.com and apps-login.berkley.com. The majority of affected systems are running Windows 11.

Total Events

938
credential exposure events

Employee Affected Events

847
account email domain = berkley.com

Client Affected Events

91
service target = berkley.com

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12-Month Events Timeline

Event volume by breach date, employee VS client

EmployeesClients
5003331670
peak month 425
Jul 25Sep 25Nov 25Jan 26Mar 26May 26Jun 26

Infostealers VS Data Breaches

Live stealer logs VS data breaches

Infostealer logs
Events31
Share3%
Data breaches
Events907
Share97%
Infostealer logs (3%)
31events
Data breaches (97%)
907events

847 compromised employee accounts pose an infrastructure risk, while 91 leaked client credentials create regulatory liability.

Antivirus Distribution

Security Tools on Infected Endpoints

Windows Defender8

Malware Families Distribution

Distribution of Active Stealer Strains

Rhadamanthys4
Redline3
Blank Grabber2
Acreed2
Vidar1

Top Login URLs

Top exposed services found in the event results

  1. 1https://auth-login.berkley.com/u/login/password19
  2. 2https://apps-login.berkley.com/u/login14
  3. 3https://auth-login.berkley.com/u/reset-password/change9
  4. 4auth-login.berkley.com/u/login/password6
  5. 5apps-login.berkley.com/u/login6
  6. 6securemail.berkley.com/login.html5
  7. 7apps-login.berkley.com5
  8. 8https://apps-login.berkley.com4
  9. 9https://securemail.berkley.com/login.html4
  10. 10auth-login.berkley.com/u/reset-password/change2

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
Events10
Indonesia
Events5
Canada
Events2
Philippines
Events1

Country Breakdown

  1. 1United States10
  2. 2Indonesia5
  3. 3Canada2
  4. 4Philippines1

Services Classification Distribution

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

Citrix1

Operating System Distribution

Distribution of compromised endpoint builds

Windows 11 24H2 build 26100 (64 Bit)7
Windows 114
Windows 11 Home Single Language1

Leak Repository Classification

Where the exposed records currently reside

0
Named breaches
518
Combolist pools
389
Unattributed dumps

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