About Me
Website: dinlon5566.com | LinkedIn: LinkedIn | GitHub: Dinlon5566 | HITCON ZeroDay: Vulnerability submissions
Hi there OwO/
I currently work on malware analysis and threat intelligence at Open Information Security Inc. (OIS).
I love exploring the latest security techniques and actively take part in security competitions and research projects.
Here you can find my background, technical skills, competition results, and the conferences and community activities I've been part of.
Whether you're a security professional or simply curious about information security, feel free to reach out.
Education
- B.S. in Computer Science and Information Engineering, Fu Jen Catholic University (2019–2023)
- M.S. in Computer Science and Engineering, Information Security Lab, National Chung Hsing University (2023–2025)
Skills & Certifications
- Programming languages: C / C++, IA-32 assembly, Python, PHP
- Tools & frameworks: Kali Linux, FLARE-VM, REMnux, IDA Pro
- Areas: Malware analysis, SOC, penetration testing, quantum cryptography, dark web intelligence, homomorphic encryption
- Certifications:
- iPAS Information Security Engineer – Associate Level (Taiwan)
- ICDL IT Security
- LeetCode: solved 200+ problems
- Currently preparing for OffSec PEN-200 (OSCP)
Vulnerability Research & Disclosure
- CVE:
- CVE-2026-14183 – IDOR in the WordPress plugin Classified Listing
- CVE-2026-87829 – IDOR in the WordPress plugin Checkout Field Manager
- CVE-2026-XXXXX & TVN-2026XXXXX – Academia Sinica, pending publication
- Disclosure platforms:
- Vulnerability reports on HITCON ZeroDay
- Vulnerability reports to Google VRP
Competitions & Honors
- Captain of CTFtime team – Archetype (Team ID: 280869)
- 2021 National Collegiate Programming Contest (NCPC) – Finalist
- 2022 iThome Ironman Contest (Security track) – Honorable Mention
- 2023 Golden Shield Award (資安金盾獎, Taiwan's national cybersecurity skills competition) – Finalist
- 2023 GSS Security Warrior Challenge (Secure Code Warrior tournament), Campus Division, Secure Web Development – 3rd Place
- 2023 NCHU Programming Contest, Interdisciplinary Advanced Division – 2nd Place
- 2024 Taiwan Security Club (TSC) CTF – 1st Place within NCHU
- 2024 AIS3 MyFirstCTF – Potential Award
- 2024 Ministry of Education Cyber Offensive and Defensive Exercise for the Education Sector – Honorable Mention (found 3 critical, 1 high, 1 medium and 1 low-impact vulnerabilities)
- 2024 Golden Shield Award – Finalist
- 2025 AIS3 EOF CTF – Finalist
- 2025 TSMC IT CareerHack – 3rd Place
- 2026 Ministry of Education Cyber Offensive and Defensive Exercise for the Education Sector – Honorable Mention (found 4 critical, 1 high and 5 low-impact vulnerabilities)
Training & Conferences
Online Courses
- HTB Academy
- Targets compromised: 239
- Ranking: Top 1%
- Hack The Box
- System / user owns: 30 / 39
- Rank: Hacker
- Season 4: Silver
- Secure Code Warrior (secure coding training platform)
- Secure coding training for Web, Mobile and DevSecOps (provided by Galaxy Software Services, GSS)
In-person Training
- 2023 CYBERSEC (Taiwan Cybersecurity Conference) CyberLAB: "How the Blue Team Uses the Right Tools to Land Safely in a Security Incident"
- 2023 National Institute of Cyber Security (NICS) – ICS Security Hands-on Training (4 days)
- 2023 HITCON GIRLS Workshop (2 days)
- 2024 AIS3 – Advanced Information Security Summer School (7 days)
- 2025 5th TeamT5 Security Camp – System Security track (5 days)
Conferences
- 2022/2023/2024/2025 CYBERSEC (Taiwan Cybersecurity Conference)
- 2021/2022 SEMICON Taiwan
- 2023 2nd PQC Standardization and Migration Workshop
- 2023/2024/2025 HITCON CMT
- 2025 TeamT5 Threat Analyst Summit
- 2026 DEVCORE Conference
- 2026 BSides Las Vegas
- 2026 DEF CON, Las Vegas
- SPEAKER: HITCON Training 2026
Teaching Experience
- Teaching Assistant, Database Systems, National Chung Hsing University (Fall 2023)
- Teaching Assistant, Critical Infrastructure Security Technology course, National Cheng Kung University (Jul 10–18, 2024)
- Teaching Assistant, Introduction to Cybersecurity – Security Competency Training course, National Chung Hsing University
- May 15–17, 2024
- Sep 11–13, 2024
- Teaching Assistant, Quantum Information and Cryptography summer micro-course, National Chung Hsing University (Aug 30 – Sep 5, 2024)
- Guest Lecturer, NCHU Computer Science Club
- Instructor, Cybersecurity Training Base, National Taichung University of Science and Technology
- Instructor, HITCON Training 2026 – Hands-on Introduction to Malware Analysis: Dissecting the Multi-stage Silver Fox Trojan from Scratch
Community Involvement
- Member, NISRA (information security club), Fu Jen Catholic University
- Student Member, Chinese Association of Museums
- Individual Member, Association of Hackers in Taiwan (HIT)
Research & Projects
Research & Programs
- Survey of International Power Data Infrastructure and Applications – Analysis of Homomorphic Encryption Technology (2023, Industrial Technology Research Institute, ITRI)
- Chip Security Design Methods Based on Identity Authentication and Trust Verification (2023–2024, National Science and Technology Council, Grant No. 112-2634-F-005-001-MBK)
- Public Key Infrastructure and Electronic Medical Record Signing App (2022, Shin Kong Wu Ho-Su Memorial Hospital)
- Part-time Assistant, Taiwan Information Security Center at NCHU (TWISC@NCHU)
- Network Administrator, Information Security Lab, National Chung Hsing University
Technical Writing
- iThome Ironman Contest 2022 (Security track)
- Published 30 technical articles on reverse engineering
- Received an Honorable Mention
- Articles (in Chinese)
- Blog
- Where I post about security, and sometimes things that have nothing to do with it
- Blog
- Medium
- Mostly malware analysis write-ups
- Medium
Contact
If you're interested in my work, or would like to see projects that aren't public, feel free to reach me via:
- Email: admin@dinlon5566.com
- LinkedIn: LinkedIn