AIshu, Eshoo
ransomhouseThis 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 GAPWindow 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.
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
SAMPLEProof-of-breach screenshots the operator posted from the stolen data. Previews are redacted and locked — the originals are available on HaveIBeenRansom.