sbisec.co.jp Domain Breach Exposure Report
Risk Score
Massive event volume or critical assets compromised.
AI Findings Summary
The domain sbisec.co.jp has experienced a high volume of data breaches, totaling 73,399 events, and 16,898 active infostealer logs over the reporting period. These events primarily involve client data, with a significant portion originating from "Combolist sources" within leak repositories. The timeline indicates a surge in client-related incidents from September 2025 through April 2026, with employee-related incidents also appearing during this period. Malware families such as LummaC2, X-Files, and Rhadamanthys are frequently observed. Given the high number of data breaches and active infostealer logs, this exposure presents a critical risk. The prevalence of client data exposure and the use of infostealers suggest a high likelihood of credential compromise and potential financial fraud. Prioritization should focus on immediate containment of active infostealer threats, thorough investigation of all data breach incidents, and strengthening client-facing authentication and data protection mechanisms. Remediation should include enhanced endpoint security, user education on phishing and credential hygiene, and a review of data access controls.
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
175 compromised employee accounts pose an infrastructure risk, while 90,122 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.