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Leak-site post naming Silicon Integrated Systems, captured by ThreatCluster

Silicon Integrated Systems

incransom

Ransomware leak-site victim intelligence · EN

Data size
198,125,584,384 bytes
Files
118,373
Views
4,271
Posted
Sep 17, 2026
Publication
Sep 17, 2026
Country
Taiwan
Industry
IC design / semiconductors

Summary

Written by ThreatClusterfrom file listing, victim profile, leak post, screenshot, our reporting

The group incransom claims 198,125,584,384 bytes across 118,373 files were taken from Silicon Integrated Systems Corporation (SiS), a Taiwan-based IC design company. Data categories claimed include contracts, confidential data, financial data, HR, and incidents. Victim profile as stated lists legal name Silicon Integrated Systems Corporation (SiS), domain diarco.com.ar, sector IC design (analog and mixed-signal technologies), country and headquarters in Taiwan, and revenue $6.2M. The leak post is published and shows a countdown of 5d 8h : 41m : 16s.

Describes what the group claims on its leak site. A listing is not confirmation that a breach occurred.

Victim profile

Domains
sis.com

What was taken

Silicon Integrated Systems Corporation (SiS) is a Taiwan-based professional IC design company specializing in analog and mixed-signal technologies.

Data categories
ContractsFinancial dataHRIncidents
Leak site tags
ProofEncrypted

Leak-site images (1)

Images from the victim's leak listing. Thumbnails scraped from the onion page are blurred by default — click a thumbnail to view.

ThreatCluster capture