Nguyen Huu Duy Nhat — Sole_f1t

Nguyen Huu Duy Nhat

CTF Player · Information Security · HCMUTE

A second-year student at Ho Chi Minh City University of Technology and Education (HCMUTE), majoring in Information Security. Known as sole_f1t in the CTF community, focusing on Osint, Cryptography and Reverse Engineering.

Sharkbait CTF Team HCMUTE ISC Gen 2 Ph0_V@nG Leader DucTrong Confession Admin

About Me

Hi there! I'm Nguyen Huu Duy Nhat, a second-year student at Ho Chi Minh City University of Technology and Education (HCMUTE), majoring in Information Security.

  • 🧠 CTF Player — Known as solef1t, mainly focusing on Web Exploitation and Cryptography challenges.
  • 🔒 Member of HCMUTE Information Security Club (ISC) — Gen 2 — Collaborating and learning with other passionate cybersecurity students.
  • 🦈 Member of Sharkbait CTF Team — Competing and learning with teammates in global cybersecurity competitions.
  • 🍯 Leader of Ph0_V@nG_nH0_Hon3y/ka:3aii CTF Team — The team I play with my homies at HCMUTE.
  • 👑 Administrator of DucTrong Confession — Managing and developing DucTrong High School's fanpage, engaging the online community.

Focus Areas

  • 🌐 Web Exploitation — SQL Injection, XSS, SSRF, IDOR, LFI/RFI, JWT attacks, WAF bypass, prototype pollution.
  • 🔐 Cryptography — RSA, AES, hash functions, padding oracle attacks, frequency analysis.
  • 🔎 OSINT — Open-source intelligence gathering for reconnaissance phases.
  • ⚙️ CTF Tooling — Python scripting, Pwntools, Burp Suite, Wireshark, GDB/PEDA.