ONLINE FROM MONGOLIA

V01d_404 Cybersecurity × Frontend × Backend

Hello! I'm V01d_404, also known as Хүслэн, from Mongolia. I build polished interfaces, backend-powered tools, and cybersecurity-focused projects with a strong interest in CTF, practical problem solving, and turning technical ideas into working products.

CTF Competitions
Full-Stack Builder
Secure Projects
V01d
404
CTF
UI
API
SEC

Personal Identity

About Me

Hello! I'm V01d_404 (Хүслэн) from Mongolia.

I am passionate about cybersecurity, software development, game development, and technology. I enjoy building projects, solving technical challenges, and exploring how systems work behind the scenes.

Cybersecurity especially interests me because it combines creativity, logic, and deep technical problem-solving. Through competitions, practical projects, and hands-on experimentation, I continue strengthening both my engineering mindset and security knowledge.

My goal is to create impactful technologies, contribute to innovative teams, and continuously push myself toward more complex technical challenges.

Quick Profile
  • Name: V01d_404 (Хүслэн)
  • Location: Mongolia
  • Focus: CTF, Web Security, Frontend, Backend
  • Interests: Cybersecurity, Product Building, Game Systems
  • Goal: Build secure and meaningful technology

Mission Records

Achievements & Competition Highlights

Haruul Zangi U18 2026 certificate
Certificate • 2026

Haruul Zangi U18 2026

Earned a certificate for successful participation and placing in a top position in the Haruul Zangi U18 2026 cyber safety competition.

Cyber Safety Top Placement U18
TEXSAW 2026 desktop team result
Team Result • TEXSAW 2026

NOtFound_404 Team Result

Competition team page showing NOtFound_404 with a recorded result of 30th place and 1440 points.

CTF Team 30th Place 1440 Points
TEXSAW 2026 mobile view
Mobile Snapshot • TEXSAW 2026

Competition Team Profile

Mobile competition view of NOTFOUND_404 showing a recorded ranking, member list, and team activity inside the event platform.

Team Profile Members Event Platform
Dawg CTF 2026 certificate
Official Participation Certificate

DawgCTF 2026

Official certificate recognizing Huslen G of team NOtFound_404 for placing 83rd at UMBC's 2026 DawgCTF event.

DawgCTF 83rd Place Official Certificate

Core Arsenal

Areas of Interest

🔐

Cybersecurity

  • Capture The Flag Competitions
  • Ethical Hacking
  • Web Security
  • Networking
  • Cryptography
  • Security Research
Security Focus
💻

Software Development

  • Programming
  • Problem Solving
  • System Design
  • Technical Project Development
  • Web Development
Developer Mode
🎮

Game Development

  • Roblox Studio Development
  • Game Systems Design
  • Story-Driven Experiences
  • Progression & Economy Systems
  • User Experience Thinking
Game Builder

Engineering Depth

Frontend & Backend Expertise

🎨

Frontend Development

Interface design, motion, responsiveness, and polished user experience.

  • Responsive websites and portfolio interfaces
  • Modern HTML, CSS, and JavaScript implementation
  • Interactive UI components and animation systems
  • Clean layout architecture and visual hierarchy
  • Performance-aware styling and maintainable structure
  • Glassmorphism, cyber-style design, and smooth transitions
⚙️

Backend Development

Logic, data flow, APIs, and practical systems behind the interface.

  • Python-based backend development and automation workflows
  • REST API thinking and service integration
  • Data handling, application logic, and system structure
  • Database-oriented thinking for tools and project backends
  • Secure development mindset and debugging-oriented workflow
  • Building practical technical solutions for real use cases

Mission Logs

Experience

Cybersecurity & CTF

Participated in Capture The Flag competitions involving security analysis, cryptography, web challenges, networking concepts, reverse-engineering style problem solving, and hands-on technical practice.

Software & Web Development

Built personal technical projects, explored frontend and backend concepts, and created practical solutions focused on usability, clean structure, and continuous skill improvement.

Game Development

Designed and developed game concepts and systems using Roblox Studio, focusing on mechanics, progression loops, story direction, and a more engaging player experience.

Skill Matrix

Strengths

Analytical Thinking Technical Problem Solving Creativity Adaptability Persistence Innovation Mindset Team Collaboration Attention to Detail

Future Direction

Vision

I aim to deepen my expertise in cybersecurity and software development while creating innovative projects that solve real-world problems. I am driven by curiosity, technical challenges, and a constant desire to improve my skills.

“Turning ideas into reality through technology.” 🚀

Access Card

Profile & Contact

Name

V01d_404 (Хүслэн)

Fields

Cybersecurity • Frontend Development • Backend Development • Game Development

Focus Areas

CTF, Ethical Hacking, Web Security, Programming, Technical Projects

Core Message

Secure ideas. Clean builds. Practical solutions.

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void@portfolio: ~/system/profile

$ whoami

V01d_404 — Cybersecurity Enthusiast • Frontend & Backend Developer

$ location --current

Mongolia

$ focus --areas

CTF • Ethical Hacking • Frontend • Backend • Game Development

$ launch --portfolio