mainichi.jp Domain Breach Exposure Report
Risk Score
Massive event volume or critical assets compromised.
AI Findings Summary
The telemetry indicates a significant exposure event impacting the domain mainichi.jp, with a risk score of 76. The primary concern stems from 1509 historical data breaches, predominantly sourced from "Combolist sources," and 347 active infostealer logs. The timeline shows a notable increase in employee and client-related events from late 2025 through mid-2026, with peaks in March and April 2026. Malware families like LummaC2, Redline, and Rhadamanthys are frequently observed. The affected services include login portals and the main domain, with the majority of observed activity originating from Japan and 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
94 compromised employee accounts pose an infrastructure risk, while 1,762 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.