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Probe Test System

ptse.com.tw
Group Thegentlemen
Discovered 2026-08-30 09:52 UTC
Est. attack date 2026-08-28
Country TW
Sector
Agriculture and Food Production Education Energy & Utilities Financial Services Government & Defense Healthcare Hospitality Manufacturing Other Professional Services Retail & E-Commerce Technology Transportation

Description:

ptse.com.tw Probe Test System Corp. (PTS, 群雅電子) is a Taiwanese semiconductor back-end (OSAT) service provider operating since 2000, with plants in Zhunan and Toufen, Miaoli County (the former Hsinchu site was consolidated into Toufen in Q1 2024). Its services cover System Level Test (SLT), wafer chip probing (CP) on Chroma, ASL1000 and CTA8280 platforms, IC marking/remarking, Tape & Reel packaging (capacity ~150 KK units/month) plus lead/ball scan inspection. Long-term customers include Taiwan's leading chipmakers: Winbond, MediaTek, Novatek, Nuvoton and Macronix. The company is certified under ISO 9001, ISO 14001 and ANSI/ESD S20.20-2021.
Infostealer activity detected by HudsonRock

Compromised Employees: 0

Compromised Users: 1

Third Party Employee Credentials: 0

External Attack Surface: 3

DNS Records:

The following DNS records were found for the victim's domain.

WHOIS Emails
  • No emails found.
MX Records
  • ssl.ptse.com.tw.
  • mail.ptse.com.tw.
TXT Records
  • v=spf1 ip4:61.221.89.2/24 ip4:122.147.67.194/27 a:ssl.ptse.com.tw a:mail.ptse.com.tw a:TFMSE01.ptse.com.tw mx -all
Cloud / SaaS Services Detected
No well-known cloud or SaaS service detected.

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