about

About Me

Hi, I am Jeff, aka @x0mg or atx0mg. This is where I share my CTF writeups and other interesting stuff that I’ve learned. Enjoy!

An overview of my prior projects

Interests

• Data Science
• Cyber Security (Web Penetrating, Reversing, Malware Analysis)
  • My blog

Industrial Experience

• Former ERP/IT Engineer @ProperSys (2024)
• Former SWE @Shoptaki (2023-2024)
• Fromer 5G Research Assistant @ASU SEFCOM (2022-2023)
• Former Backend Development Intern @Goodideas-Studio (2020-2021)
• Former Researcher @Neural Computation Laboratory (2017-2019)
• Former R&D Intern @Microprogram (2019)
• Former SWE Intern @ITRI (2018)

Speech/Published Articles

• SITCON 2021 Speech - 開放式議程 - 好想學資安，該如何入門？
• Reversing WannaCry Virus - 12th 鐵人賽
• Presentation about Security

Community and Conference

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

Certification

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

Awards and Honors

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