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sharp.co.jp Domain Breach Exposure Report

Risk Score

High Risk

Massive event volume or critical assets compromised.

AI Findings Summary

Critical

The domain sharp.co.jp exhibits a high-risk score of 96, primarily driven by a significant volume of historical data breaches (5316 events) and active infostealer logs (1065 events) over the past year. The data indicates a substantial exposure affecting both employees (1238) and clients (5143), with a notable concentration of breaches occurring in September 2025 and April 2026. Malware families such as LummaC2, Redline, and Rhadamanthys are frequently observed, suggesting ongoing credential harvesting and potential further compromise. The prevalence of data originating from combolist sources (94.1%) within leak repositories points to widespread credential stuffing or reuse attacks.

Total Events

6,381
credential exposure events

Employee Affected Events

1,238
account email domain = sharp.co.jp

Client Affected Events

5,143
service target = sharp.co.jp

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12-Month Events Timeline

Event volume by breach date, employee VS client

EmployeesClients
1,5001,0005000
peak month 1,315
Jul 25Sep 25Nov 25Jan 26Mar 26May 26Jun 26

Infostealers VS Data Breaches

Live stealer logs VS data breaches

Infostealer logs
Events1,065
Share17%
Data breaches
Events5,316
Share83%
Infostealer logs (17%)
1,065events
Data breaches (83%)
5,316events

1,238 compromised employee accounts pose an infrastructure risk, while 5,143 leaked client credentials create regulatory liability.

Antivirus Distribution

Security Tools on Infected Endpoints

Windows Defender15
Windows Defender McAfee6
Windows Defender マカフィー ウイルススキャン3
Unknown2
Windows Defender [ON]1
Windows Defender.1
Bitdefender Antivirus1

Malware Families Distribution

Distribution of Active Stealer Strains

LummaC2152
Redline138
Rhadamanthys126
Vidar103
Acreed42
StealC25
Remus9
RisePro9
Millenium9

Top Login URLs

Top exposed services found in the event results

  1. 1https://iclub.sharp.co.jp/442
  2. 2https://iclub.sharp.co.jp432
  3. 3https://iclub.sharp.co.jp/idp/manage/register/input432
  4. 4iclub.sharp.co.jp386
  5. 5iclub.sharp.co.jp/282
  6. 6android://7Xed2nBEnYonW1i0DHfe7Ek0eeO_uPgGksfEoEFhUK8srZL9bl8XVLKjdeD_hXVqvlO4oiR_rj82Ii0VxNlPSQ==@jp.co.sharp.printsystem.networkprint/234
  7. 7iclub.sharp.co.jp/idp/manage/register/input180
  8. 8https://dse-pub.sharp.co.jp107
  9. 9sharp.co.jp98
  10. 10https://iclub.sharp.co.jp/sic-front/member/A050101ViewAction.do96

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.

Japan
Events192
Indonesia
Events89
Vietnam
Events58
Malaysia
Events43
Thailand
Events43
United States
Events30
Egypt
Events26
Pakistan
Events23

Country Breakdown

  1. 1Japan192
  2. 2Indonesia89
  3. 3Vietnam58
  4. 4Malaysia43
  5. 5Thailand43
  6. 6United States30
  7. 7Egypt26
  8. 8Pakistan23

Services Classification Distribution

Blast radius - closer to core = more critical infrastructure, size = credential volume

Pulse Secure4

Operating System Distribution

Distribution of compromised endpoint builds

Windows 1197
Windows 11 24H2 build 26100 (64 Bit)54
Windows 10 Enterprise x6453
Windows 11 Home53
Windows 10 Pro45

Leak Repository Classification

Where the exposed records currently reside

0
Named breaches
5,002
Combolist pools
314
Unattributed dumps

Disclaimer: This report includes AI-generated content. AI can make mistakes, so verify important findings independently before taking action.