Summary
Written by ThreatClusterfrom file listing, victim profile, leak post, screenshotThe underground group states it has stolen a broad set of data from Simmtech Co., Ltd., a South Korean electronics manufacturer, including contracts, product designs, material declarations, product test results and defect information, quality assessments, development history sheets, and production- and board-level documents such as the 2024 budget and product financial reports, plus confidential partner, marketing, and expansion materials. The victim is Simmtech Co., Ltd. (domain simmtech.com), a South Korea-based electronics company with revenue listed at $760 million. The leak post is published; the group states these data were taken.
Describes what the group claims on its leak site. A listing is not confirmation that a breach occurred.
What was taken
Simmtech Co., Ltd. — Korean electronics manufacturer and major supplier of packaging substrates for semiconductors. Data of partner companies such as Samsung, SK Hynix, Micron, ASE and others were affected; leaked documents include contracts, product designs, material declarations (Micron, Sandisk, ASE-KH, PTI Group), product test results and defect information, quality assessments (confidential Micron information), sample monitoring, returns register, development history sheets, production and analytical reports to the board of directors, including reports from the CEO, 2024 budget report; product financial reports; confidential ER reports; partner documents (Apple, SEC, Micron, SK Hynix, ASE); marketing materials; expansion plans; shipping documentation; employee personal data and private documents (passports, ID cards, bank account numbers, Socso, Tax, NRIC, EPF and LHDN numbers, visa documents); tax returns; labour contracts, pay slips, medical benefits, disciplinary actions, explanatory notes, employee complaints.
Also stated on the leak page
Fields this group publishes that do not map to a standard column. Labels are the site's own.
- partner_companies
- Samsung, SK Hynix, Micron, ASE
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.