About Me

Hi, I'm Jeff — aka @x0mg

This is where I share my CTF writeups and other interesting stuff that I've learned. Enjoy!

An overview of my prior projects →

Interests

  1. Data Science

  2. Cyber Security

    Web Penetration · Reversing · Malware Analysis

Industrial Experience

  1. 2025 – Present

    Data Engineer @ Trend Micro (now TrendAI)

    Building data pipelines and infrastructure at Trend Micro — recently rebranded as TrendAI — bringing together data engineering and a security background.

  2. 2024

    ERP / IT Engineer @ ProperSys

  3. 2023 – 2024

    Software Engineer @ Shoptaki

  4. 2022 – 2023

    5G Research Assistant @ ASU SEFCOM

  5. 2020 – 2021

    Backend Development Intern @ Goodideas-Studio

  6. 2017 – 2019
  7. 2019

    R&D Intern @ Microprogram

  8. 2018

    Software Engineer Intern @ ITRI

Community & Conference

  1. 2025
    • Intel-Retail Open Source Hackathon — 1st Award
  2. 2024
    • CactusCon 13
  3. 2022
    • CactusCon 12
    • ASU AI Prompt Hackathon — 2nd Award
    • AIS3 2022
    • 車載安全 Hackathon — 1st Award
    • CodePath — Cybersecurity
  4. 2021
    • HITCON 2021
    • AIS3 2021
    • SITCON 2021
  5. 2020
    • TeamT5 Security Winter Camp
    • SITCON 2020
  6. 2019
    • SITCON 2019
    • PyCon Taiwan 2019
    • 台灣好厲駭第三屆學員

Certification

  1. 2024
    • The Linux Foundation — HFCP: Hyperledger Fabric Certified Practitioner
  2. 2023
    • US Amateur Radio License — Technician
    • ForAllSecure — Mayhem Certified
    • ForAllSecure — DevSecOps Fundamentals
  3. 2019
    • iPAS 3D 列印工程師初級
  4. 2018
    • TAIROA 機器人工程師證照初階
  5. 2017
    • 物聯網應用工程師初級
    • SolidWorks CSWA (Certified SOLIDWORKS Associate) 認證助理工程師

Awards & Honors

  1. 2019
    • UCLite Summer Program (University of California, Berkeley)
  2. 2018
    • 1st, International Competition of Robotic Technology Development (Taoyuan, Taiwan)
    • Academic Scholarship Award, HIWIN Co., LtdThe only student selected from the Mechanical Engineering Department based on outstanding undergraduate research and communication abilities.
    • Silver Award, 2018 CB Technology Competition, Taiwan Society for Precision Engineering2nd among 16 articles in the TSPE group.
    • The 14th International CDIO Conference Scholarship (Japan)
    • Hsiao-Jung Liu Memorial Scholarship, FCU (Taichung, Taiwan)
    • 3rd, Awards of Study of Special Topics, Mechanical and Computer-Aided Engineering, FCU (Taichung, Taiwan)
  3. 2017
    • The 13th International CDIO Conference, Calgary, Canada
    • 3rd, National Ming-Xing Debate Competition, Chinese Culture University (Taipei, Taiwan)
  4. 2016
    • Honorable Mention, Intelligent Electronic Application Design Competition, National Yunlin University of Science and Technology (Taiwan)
    • 1st, English Speech Contest, Feng Chia University and the Foreign Language Center (Taichung, Taiwan)
    • 1st, Lian-Yi Debate Competition, FCU (Taichung, Taiwan)
    • 3rd, Yu-Yang Debate Competition, China Medical University (Taichung, Taiwan)
    • 3rd, Sun-Tzu Debate Competition, Republic of China Military Academy (Kaohsiung, Taiwan)Awarded best debater in the competition for fluency, clarity, and sharp reaction.
    • Honorable Mention, Labor Debate Competition, Ministry of Labor (Taipei, Taiwan)
  5. 2015
    • 3rd, English Speech Contest, Feng Chia University and the Foreign Language Center (Taichung, Taiwan)
    • Academic Achievement Award (top 1 in class), FCU (Taichung, Taiwan)