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gm.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 for gm.com, with a risk score of 100. The primary drivers are historical data breaches, accounting for 87.5% of events, and active infostealer logs at 12.5%. A total of 334,819 events were recorded over the period, impacting 203,078 employees and 131,741 clients. The timeline shows a sharp increase in employee-related events in January 2026 and client-related events in March 2026. Malware families associated with these events include Redline, LummaC2, and Rhadamanthys, all known for credential theft. The data suggests a broad compromise, with evidence of combolist sources and database dumps contributing to the exposure. Given the high risk score and the nature of the events, prioritizing remediation efforts is critical. Focus should be placed on mitigating the impact of infostealer activity and addressing the underlying causes of the historical data breaches. This includes strengthening authentication mechanisms, reviewing access controls, and enhancing endpoint security to prevent further compromise by malware families like Redline and LummaC2. The widespread nature of the exposure across employee and client data necessitates a comprehensive incident response plan.

Total Events

334,819
credential exposure events

Employee Affected Events

203,078
account email domain = gm.com

Client Affected Events

131,741
service target = gm.com

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12-Month Events Timeline

Event volume by breach date, employee VS client

EmployeesClients
100,00066,66733,3330
peak month 99,524
Jul 25Sep 25Nov 25Jan 26Mar 26May 26Jun 26

Infostealers VS Data Breaches

Live stealer logs VS data breaches

Infostealer logs
Events41,853
Share13%
Data breaches
Events292,966
Share88%
Infostealer logs (13%)
41,853events
Data breaches (88%)
292,966events

203,078 compromised employee accounts pose an infrastructure risk, while 131,741 leaked client credentials create regulatory liability.

Antivirus Distribution

Security Tools on Infected Endpoints

Windows Defender694
Windows Defender.99
McAfee VirusScan61
Windows Defender Reason Cybersecurity18
Windows Defender McAfee14
Windows Defender Avast Antivirus.13
McAfee13
Windows Defender McAfee.9
AVG Antivirus8

Malware Families Distribution

Distribution of Active Stealer Strains

Redline7,501
LummaC26,821
Rhadamanthys4,777
Acreed3,161
Vidar2,850
RisePro779
StealC557
Blank Grabber341
Millenium302

Top Login URLs

Top exposed services found in the event results

  1. 1android://P9dAipFqpuOCgNqPAequvNukczqdFO4MMNiqWjnl6gkytQY08UMFRMK5QBVKT9NvaYKS0JcSx7uUaIsK_vZMSw==@com.gm.despegar/9,077
  2. 2https://custlogin.gm.com/gmb2cprod.onmicrosoft.com/b2c_1a_seamlessmigration_signuporsignin/oauth2/v2.0/authorize6,926
  3. 3https://custlogin.gm.com/gmb2cprod.onmicrosoft.com/oauth2/v2.0/authorize6,923
  4. 4android://P9dAipFqpuOCgNqPAequvNukczqdFO4MMNiqWjnl6gkytQY08UMFRMK5QBVKT9NvaYKS0JcSx7uUaIsK_vZMSw==@com.gm.decolar/5,621
  5. 5https://planonline.gm.com/chevyplan/5,570
  6. 6android://hVROB2FIRhg6Bq_tX97WS5ohUIm7xG87_TzA7KJRV4vhcOMdeMh7UjqOCRvgCWlJRE3rm2If9bmjjpBMmS97TQ==@com.gm.chevrolet.nomad.ownership/5,436
  7. 7https://custlogin.gm.com4,880
  8. 8custlogin.gm.com4,612
  9. 9android://3juSYCXa1gFkh_lebFBQ885CfyBRmaJfKUrhO1Qsuc4dMI_vKhYrhbN1HmfNkqH82IayT9A1Afj-fNKR3OMC8g==@com.gm.shadhin/4,299
  10. 10custlogin.gm.com/gmb2cprod.onmicrosoft.com/oauth2/v2.0/authorize4,001

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
Events7,735
Argentina
Events3,643
Brazil
Events3,481
Bangladesh
Events1,889
Mexico
Events1,508
Colombia
Events994
Canada
Events742
Peru
Events696

Country Breakdown

  1. 1United States7,735
  2. 2Argentina3,643
  3. 3Brazil3,481
  4. 4Bangladesh1,889
  5. 5Mexico1,508
  6. 6Colombia994
  7. 7Canada742
  8. 8Peru696

Services Classification Distribution

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

Microsoft2,483
Citrix59
WordPress57
Git52
Jira (Atlassian)37
Zendesk29
Pulse Secure28

Operating System Distribution

Distribution of compromised endpoint builds

Windows 113,507
Windows 11 24H2 build 26100 (64 Bit)2,339
Windows 10 Enterprise x642,162
Windows 10 Home x641,880
Windows 10 22H2 build 19045 (64 Bit)1,636

Leak Repository Classification

Where the exposed records currently reside

0
Named breaches
165,960
Combolist pools
127,006
Unattributed dumps

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