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AIshu, Eshoo

ransomhouse

This record tracks a ransomware attack claimed by the ransomhouse group against AIshu, Eshoo. It collects the publicly disclosed attack details — sector, location and timeline — as published on the operator's leak site and indexed by Breach House.

Window Zero

EXPOSURE GAP

Window Zero is the time the breach stayed in the open before anyone said so — the gap between when the attack was first discovered on the operator's leak site (t1) and when it was publicly disclosed (t2). The wider this window, the longer victims, staff and customers were exposed with no warning.

574days open
t1 · Published t2 · Pending
Feb 04, 2025Not disclosed yet
Country
Japan
Business Category
IT
Employees
51-100
Discovered
2025-02-04
Published
February 04, 2025
Disclosed / Notified
Not disclosed yet
Victim ID
grZnIhsir9DU

Attack Summary

aishutech.com appears to be the website for AISHU, an IT company in Japan focused on big data infrastructure and related services. Its LinkedIn profile describes AISHU as an industry-leading provider on big data infrastructure serving organizations including governments and public-sector users. The company operates in Japan’s IT sector, where consulting, systems integration, and data infrastructure are core market segments. aishutech.com was listed as a ransomware victim associated with ransomhouse.

Leak Screenshots

SAMPLE

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file_tree.png
finance_2024.xlsx
passport_scan.jpg
contract_signed.pdf
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Dark Web Exposure

Findings for aishutech.com — indexed by HaveIBeenRansom.
6
found in Infostealer logs
0
found in Traditional breaches
0
found in Ransomware leaks
Emails exposed
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External
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••• emails
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