This record tracks a ransomware attack claimed by the
crypto24 group against
Hollysys Asia Pacific. 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.
-36days
t1 · Published
t2 · Disclosed
Business Category
Manufacturing / Engineering
Published
December 01, 2025
Disclosed / Notified
Oct 27, 2025
Attack Summary
[AI generated] Hollysys Asia Pacific is part of Hollysys Automation Technologies Ltd, a leading provider of industrial and rail transportation automation solutions. Its core businesses include industrial automation, rail transportation, and mechanical and electrical solutions. The company utilizes advanced technologies in industrial automation and control, digital rail signaling, and mechanical and electrical solutions to address modern industrial operations and infrastructure requirements.
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.
Dark Web Exposure
Findings for hollysys.com
— indexed by HaveIBeenRansom.
5
found in Infostealer logs
787+
found in Traditional breaches
238+
found in Ransomware leaks
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+ 17 more leak sources locked
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Legal Disclaimer:
This ransomware victim record reflects information published on the operator's leak site.
Breach.house does not acquire, download, host, access or redistribute unlawfully obtained data. It indexes only publicly visible information posted by ransomware, breach and infostealer operators and open web sources, without accessing the underlying stolen content. The service supports public awareness, legitimate research and cyber-resilience.