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ILDefenseLeaks : Optum Industrial Engineering Systems – https://optum-ies.com
This record tracks a ransomware attack claimed by the
toufan group against
ILDefenseLeaks : Optum Industrial Engineering Systems – https://optum-ies.com. 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.
0days open
t1 · Discovered
t2 · Pending
Business Category
Manufacturing / Engineering
Indexed by Breach House
October 15, 2026
Leak Status
leaked
checked 2026-10-15
Disclosed / Notified
Not disclosed yet
Attack Summary
ILDefenseLeaks : Optum Industrial Engineering Systems – https://optum-ies.com refers to an entity operating within the US manufacturing and engineering sector, specializing in industrial engineering systems and solutions. The listing type identifies this entity as a ransomware victim. The association with threat actor toufan indicates a cybersecurity incident within this industrial context. This catalog entry provides threat-intelligence indexing for entities affected by cyber threats in critical infrastructure sectors. The description remains neutral regarding specific incident details, focusing on the verified association and sector classification.
Leak Screenshots
7 CAPTURED
Captured directly from the operator's leak site by our collector, last checked 2026-10-15. Verdict evidence: [M1] Visit this link: https://www.malwarefan88.com/8424 to download the leaks related to this company!
Proof files published by the operator —
6 image(s) harvested from this entry.
Content is locked; type and dimensions shown.
Showing the latest capture only
Unlock the daily capture history — up to 45 days of evidence, plus the 6 proof file(s) the operator published.
Dark Web Exposure
Findings for optum-ies.com
— indexed by HaveIBeenRansom.
0
found in Infostealer logs
34
found in Traditional breaches
0
found in Ransomware leaks
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