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Listed on a ransomware leak site

Silicon Integrated Systems

sis.com

Silicon Integrated Systems was listed on the INC Ransom leak site on Dec 9, 2025. Brandefense has recorded 2 separate claims against it. Information as of Oct 19, 2026.

Country: TaiwanIndustry: Technology
Updated continuously · figures as of Oct 19, 2026
Claimed by
INC Ransom
First listed
Dec 9, 2025
Claims recorded
2

2 Leak-Site Claims.

INC RansomConfirmed claim
Posted on the leak site
Sep 17, 2026
Collected by Brandefense
Sep 17, 2026
Data claimed
Not stated
Leak-site post text, written by the group
Silicon Integrated Systems Corporation (SiS) is a Taiwan-based professional IC design company specializing in analog and mixed-signal technologies.
INC RansomConfirmed claim
Posted on the leak site
Dec 9, 2025
Collected by Brandefense
Sep 17, 2026
Data claimed
Not stated
Leak-site post text, written by the group
Silicon Integrated Systems Corporation (SiS) is a Taiwan-based professional IC design company specializing in analog and mixed-signal technologies.

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Figures as of Oct 19, 2026. Confirmed leak-site claims collected by Brandefense technologies and validated by Brandefense analysts.

Listed on a leak site means a ransomware group has claimed the company; it is not a confirmed breach. To request a correction or removal, contact Brandefense.