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Cerio

thegentlemen

This record tracks a ransomware attack claimed by the thegentlemen group against Cerio. 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.

165days open
t1 · Published t2 · Pending
Mar 19, 2026Not disclosed yet
Country
Taiwan, Province of China
Business Category
IT
Employees
51-100
Discovered
2026-03-19
Published
March 19, 2026
Disclosed / Notified
Not disclosed yet
Victim ID
DqH1IoLL6ufQ

Attack Summary

cerio.io zoominfo.com/c/rockport-networks-inc/1330256755 Cerio is an accelerated computing platform focused on next-generation data center infrastructure for AI workloads . The company specialises in disaggregated infrastructure — decoupling compute, memory, and storage resources beyond a single PCIe domain to enable elastic capacity and optimized data movement at scale . Their approach aims to eliminate the "capacity trap" of traditional tightly integrated systems, making AI infrastructure more agile and efficient

Leak Screenshots

SAMPLE

Proof-of-breach screenshots the operator posted from the stolen data. Previews are redacted and locked — the originals are available on HaveIBeenRansom.

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

Findings for cerio.io — indexed by HaveIBeenRansom.
0
found in Infostealer logs
1
found in Traditional breaches
0
found in Ransomware leaks
shouldve-paid-the-ransom-betterment-shinyhunters.7z
Database World ROC · breach
••• emails
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