att.com Domain Breach Exposure Report
Risk Score
Massive event volume or critical assets compromised.
AI Findings Summary
The telemetry indicates a significant exposure event for att.com, with over 54 million historical data breaches and over 227,000 active infostealer logs. The majority of the exposure, 99.6%, is attributed to historical data breaches, while 0.4% relates to active infostealer activity. The timeline shows a surge in client-related events in February 2026, coinciding with a decrease in employee-related events. Malware families like Redline, LummaC2, and Rhadamanthys are prevalent in the infostealer logs. Targeted services include various AT&T sign-in portals, suggesting potential credential compromise. The primary operating systems affected are Windows 11 and Windows 10 variants. The majority of the data breach volume originates from database dumps, with a smaller portion from combolist sources. The United States is the most represented geography.
Total Events
Employee Affected Events
Client Affected Events
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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
839,977 compromised employee accounts pose an infrastructure risk, while 53,789,148 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.