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constantcontact.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 constantcontact.com, with 97,442 historical data breaches and 19,017 active infostealer logs observed. The timeline shows a surge in employee and client-related events in January 2026, with 3,215 employee and 8,609 client events, followed by another substantial client event increase in March 2026. The primary malware families associated with these events are LummaC2, Rhadamanthys, and Redline, all known for credential theft. The exposure is heavily concentrated in the United States, India, and Pakistan, with a notable portion of the data originating from "Combolist sources" and "Database dumps" within leak repositories. This suggests a high risk of account compromise and potential further data exfiltration affecting both employees and clients.

Total Events

116,459
credential exposure events

Employee Affected Events

4,208
account email domain = constantcontact.com

Client Affected Events

112,251
service target = constantcontact.com

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12-Month Events Timeline

Event volume by breach date, employee VS client

EmployeesClients
30,00020,00010,0000
peak month 27,884
Jul 25Sep 25Nov 25Jan 26Mar 26May 26Jun 26

Infostealers VS Data Breaches

Live stealer logs VS data breaches

Infostealer logs
Events19,017
Share16%
Data breaches
Events97,442
Share84%
Infostealer logs (16%)
19,017events
Data breaches (84%)
97,442events

4,208 compromised employee accounts pose an infrastructure risk, while 112,251 leaked client credentials create regulatory liability.

Antivirus Distribution

Security Tools on Infected Endpoints

Windows Defender867
Windows Defender Sentinel Agent55
Unknown54
McAfee42
Windows Defender.36
McAfee VirusScan35
Windows Defender McAfee VirusScan31
Windows Defender McAfee17
Windows Defender Malwarebytes12

Malware Families Distribution

Distribution of Active Stealer Strains

LummaC23,755
Rhadamanthys2,388
Redline2,342
Acreed991
Vidar974
Blank Grabber436
X-Files363
StealC206
RisePro193

Top Login URLs

Top exposed services found in the event results

  1. 1https://login.constantcontact.com/login/login.sdo14,987
  2. 2login.constantcontact.com/login/login.sdo8,959
  3. 3https://login.constantcontact.com7,009
  4. 4login.constantcontact.com6,303
  5. 5constantcontact.com4,919
  6. 6https://constantcontact.com3,465
  7. 7https://www.constantcontact.com2,919
  8. 8https://login.constantcontact.com/login/2,693
  9. 9https://www.constantcontact.com/signup2,539
  10. 10https://www.constantcontact.com/trial/signup2,313

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
Events3,651
India
Events1,184
Pakistan
Events1,071
Bangladesh
Events954
Philippines
Events676
Canada
Events462
Nigeria
Events366
Egypt
Events189

Country Breakdown

  1. 1United States3,651
  2. 2India1,184
  3. 3Pakistan1,071
  4. 4Bangladesh954
  5. 5Philippines676
  6. 6Canada462
  7. 7Nigeria366
  8. 8Egypt189

Services Classification Distribution

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

Salesforce10
Jira (Atlassian)8
WordPress5

Operating System Distribution

Distribution of compromised endpoint builds

Windows 111,469
Windows 10 22H2 build 19045 (64 Bit)1,064
Windows 11 24H2 build 26100 (64 Bit)1,021
Windows 10 Enterprise x64947
Windows 10 Home x64748

Leak Repository Classification

Where the exposed records currently reside

0
Named breaches
93,633
Combolist pools
3,809
Unattributed dumps

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