51cto.com Domain Breach Exposure Report
Risk Score
Massive event volume or critical assets compromised.
AI Findings Summary
The domain 51cto.com has experienced a significant exposure event, with a total of 9957 recorded incidents over the past year. The majority of these events, 8416, are classified as historical data breaches, while 1541 are active infostealer logs. The exposure primarily affects clients, with 9690 incidents, and to a lesser extent employees, with 267 incidents. The timeline indicates a surge in client-related incidents starting in September 2025 and peaking in March and April 2026, with employee-related incidents also increasing during the latter period. Malware families such as Rhadamanthys, Redline, and LummaC2 are frequently observed, suggesting a sophisticated threat actor. The data originates predominantly from China, with a notable presence in Hong Kong and the United States. The exposure is linked to combolist sources and database dumps, indicating potential credential stuffing or account takeover attacks.
Total Events
Employee Affected Events
Client Affected Events
Free Community Account
Stop stolen credentials from logging in
Own this domain? Create a free Lunar account to see full exposure data and evidence.Disclaimer: This report was generated automatically using Lunar's telemetry data. If you own this domain or manage its cybersecurity, create a free Lunar Community account to view the underlying exposure data and evidence.
12-Month Events Timeline
Event volume by breach date, employee VS client
Infostealers VS Data Breaches
Live stealer logs VS data breaches
267 compromised employee accounts pose an infrastructure risk, while 9,690 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.