marriott.com Domain Breach Exposure Report
Risk Score
Massive event volume or critical assets compromised.
AI Findings Summary
The telemetry indicates a significant exposure event affecting Marriott.com, with over 599,000 total events recorded between July 2025 and June 2026. The majority of these events, approximately 88%, are classified as historical data breaches, impacting over 526,000 clients. Additionally, over 72,000 events are attributed to active infostealer logs, primarily targeting clients. The timeline shows a notable surge in client-related events in January 2026 and March 2026, coinciding with increased infostealer activity. Malware families such as Redline, Rhadamanthys, and LummaC2 are prominently featured, suggesting common credential harvesting techniques are in play. The data also points to "Combolist sources" and "Database dumps" as primary leak repository classifications, indicating a high likelihood of compromised credentials being available on the dark web.
Total Events
Employee Affected Events
Client Affected Events
Free Community Account
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12-Month Events Timeline
Event volume by breach date, employee VS client
Infostealers VS Data Breaches
Live stealer logs VS data breaches
166,286 compromised employee accounts pose an infrastructure risk, while 433,161 leaked client credentials create regulatory liability.
Antivirus Distribution
Security Tools on Infected Endpoints
Malware Families Distribution
Distribution of Active Stealer Strains
Top Login URLs
Top exposed services found in the event results
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.
Country Breakdown
Services Classification Distribution
Blast radius - closer to core = more critical infrastructure, size = credential volume
Operating System Distribution
Distribution of compromised endpoint builds
Leak Repository Classification
Where the exposed records currently reside
Disclaimer: This report includes AI-generated content. AI can make mistakes, so verify important findings independently before taking action.