mastec.com Domain Breach Exposure Report
Risk Score
Critical asset booster applied - enterprise VPN / gateway credentials exposed.
AI Findings Summary
The telemetry indicates a significant exposure of employee and client data, with over 9,000 historical data breaches and 465 active infostealer logs observed. The data breaches represent 95.2% of the total events, while infostealer logs account for 4.8%. The timeline shows a substantial spike in employee-related events in January 2026, with over 4,000 occurrences, and a notable increase in client-related events in September 2025. Malware analysis reveals Redline as the most prevalent infostealer family, followed by StealC and Rhadamanthys. Targeted services include various login portals for mastec.com, particularly those related to gatekeeper.mastec.com and Okta authentication, suggesting potential credential compromise. The majority of observed data originates from combolist sources and database dumps, with a concentration of affected systems in the United States.
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
7,616 compromised employee accounts pose an infrastructure risk, while 2,078 leaked client credentials create regulatory liability.
Antivirus Distribution
Security Tools on Infected Endpoints
No Data Available
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.