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Hello World

I'm Yialex Lee Jia Yi
the guy who never stop...

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About Me

I'm currently a

I'm a fresh graduate in Bachelor of Information Technology (Hons.) Security Technology from Multimedia University (MMU)

Hobby

Cyber Security (Hacking/ Pentest), CTF, Development (Web, Software, App & more), Boxing, Anime, Drama, Investment/Trading, Music, Science, Discover new knowledge & skill

Coding Achivement

SUPREME 2019 - Finalist

Education & Work Experience

Education:
2021 - 2023   Multimedia University
- Bachelor of Information Technology (Hons.) Security Technology

2021   Multimedia University
- Diploma in Information Technology

Work:
2025 Nov - Present   ANTlabs
- System Engineer
Company Information :
Multiple award-winning technology solution partner for service providers’ unique Internet business needs with more than 10 international patents in the US, Europe, Japan, China, and Singapore..

2025 Sep - Present   Quickdeal Enterprise
- Founder
Company Information :
AI-powered ecommerce management solutions for small and medium-sized businesses. Focus on leverages artificial intelligence to automate core operations, enhance customer engagement, and provide real-time business insights.

2024 January - 2025 Sep   GOCODE PTE.LTD
- System Analyst / IT Cloud Ops Analyst
Company Information :
Leading provider of innovative and reliable software solutions for businesses of all sizes.

2022 May - 2022 August   FIRMUS SDN BHD
- Security Consultant Intern
Company Information :
Firmus is a trusted provider of cyber-security services and solutions.

2021 - Freelance Web / App Developer

2020 - 2020   First Online (M) Sdn. Bhd.
- Internship
Company Information :
Leading Online Software Development & Premium Business Hosting provider.

CTF Achivement ( Top 5 )

CTF(World) :
PhantomCTF 3.0 - Place 30
TG:HACK 2020 - Place 73
Decompetition - Place 78
AUCTF 2020 -Place 105
Hackers Playground 2020 - Place 178

CTFtime Team :
MonkOnMars ( Team Member )
- Malaysia Place 1st (Year 2021)
S.O.W {Savior_0f_World} ( Team Leader )
- Malaysia Place 17th (Year 2020)
H0j3n ( Team Member )
- Malaysia Place 2nd (Year 2020)
forkbomb444 ( Team Member )
- Malaysia Place 9th (Year 2020)

Hack The Box

Top 1 in HTB Malaysia Ranking in Year 2022-2023, Top 1 in HTB Singapore Ranking in June 2025

HTB

Hack The Box : Go to profile →

My Skill

Coding Language & Framework

Program / Software / Scripting : C (My first coding language), C++, C#, Visual Basic, Java (JavaFX), Python, Haskell, Perl, Bash, Assembly language
Web : Golang, Javascript, Typescript (React.js (Redux, MobX, Next.js), Node.js (Express.js, Nest.js, Apollo), React Native), Deno.js, PHP, HTML, CSS, Ruby, Rust, XML
AI / ML / Data Science : Python (Tensorflow, Keras, Scikitlearn, Pandas, Flask, Pytorch, Opencv, Pandas, Matplotlib and more), Matlab, R
Mobile App : Dart (Flutter), Java, Kotlin, XML
APIs: REST, GraphQL
UI: CSS, Bootstrap, Bulma, Ant Design, Chakra UI
ORMs: Sequelize, TypeORM

Communication Language

Mandarin, Bahasa Melayu, English, Japanese

Hacking Tool

BurpSuite, Wireshark, Nessus, OllyDog, IDA, Nmap, Ncat, Metasploit,Nikto, SQL Map, THC Hydra, John the Ripper, Aircrack-ng, Oracle Virtual Box and more

Operating System

Microsoft Windows, Parrot OS, Kali Linux, Ubuntu, CentOS

Databases

PostgreSQL, MongoDB, MySQL, Redis, phpMyAdmin, InfluxDB, Hasura

Cloud

AWS, Google Cloud

Others

ISO27001, ISMS,

Certificate

Here are some of my certificate. Feel free to check them out.

Pentest Practical Certificate

OSCP+(Offensive Security Certified Professional Plus)

An OSCP+ has demonstrated the ability to use persistence, creativity, and perceptiveness to identify vulnerabilities and execute organized attacks under tight time constraints. They can:
* Use information gathering techniques to identify and enumerate targets running various operating systems and services
* Write scripts and tools to aid in the penetration testing process
* Analyze, correct, modify, cross-compile, and port public exploit code
* Conduct remote, local privilege escalation, and client-side attacks
* Identify and exploit XSS, SQL injection, and file inclusion vulnerabilities in web applications
* Leverage tunneling techniques to pivot between networks.

Pentest Practical Certificate

eJPT (eLearnSecurity Junior Penetration Tester)

The eLearnSecurity Junior Penetration Tester (eJPT) is a 100% practical certification on penetration testing and information security essentials.

Professional Certificate

IBM Cybersecurity Analyst Professional Certificate

This course include : - Develop knowledge of cybersecurity analyst tools including data protection; endpoint protection; SIEM; and systems and network fundamentals.
- Learn about key compliance and threat intelligence topics important in today’s cybersecurity landscape.
- Gain skills for incident responses and forensics with real-world cybersecurity case studies.
- Get hands-on experience to develop skills via industry specific and open source Security tools.
Tools: Wireshark, IBM QRadar, IBM MaaS360, IBM Guardium, IBM Resilient, i2 Enterprise Insight Analysis
Labs: SecurityLearningAcademy.com
Libraries: Python
Projects: Investigate a real-world security breach identifying the attack, vulnerabilities, costs and prevention recommendations.

Professional Certificate

Google IT Support Professional Certificate

This 5-course certificate, developed by Google.This professional course includes troubleshooting, networking, operating systems, system administration and security.This is worth to 12 college credits, the equivalent of 4 associate degree-level courses.

Course Complete Certificate

Cisco Cybersecurity Essentials

Course Complete Certificate

Cyber Threat and Attack Vector

This is a complete course certificate provide by University of Colorado. The course include the knowledge of Threats and Attack Vectors in Computer Security, Network and System Based Attacks, Cloud Security, Common Vulnerabilities and Data Breaches.

Course Complete Certificate

Cybersecurity and the Internet of Things

This is a complete course certificate provide by University System of Georgia. This course include the basic of Internet of Things(IoT).

Course Complete Certificate

Managing the Company of the Future

The aim of this course is to provide student with a comprehensive framework for understanding both the traditional principles of management inside companies today as well as the alternative principles that are becoming increasingly important. It provides both theoretical and practical perspectives on the nature of management in today’s organisations.

Course Complete Certificate

Security and Privacy for Big Data - Part 1

This course sensitizes regarding security in Big Data environments. This course discover cryptographic principles, mechanisms to manage access controls in Big Data system. By the end of the course, student will be ready to plan a Big Data project successfully, ensuring that all security related issues are under control.

Course Complete Certificate

Security and Privacy for Big Data - Part 2

This course sensitizes regarding security in Big Data environments. This course discover cryptographic principles, mechanisms to manage access controls in Big Data system. By the end of the course, student will be ready to plan a Big Data project successfully, ensuring that all security related issues are under control.

Course Complete Certificate

Cybersecurity Roles, Processes & Operating System Security

This course gives you the background needed to understand basic Cybersecurity around people. process and technology.

Certificate of Passed

OSForensics Triage Certification Course (OSFTC)

The OSForensics Triage Certification (OSFTC) was created for law enforcement investigators and forensic examiners who conduct digital evidence triage and digital evidence collection in the field.

Certificate of Achievement

SUPREME 2019 Finalist Achivement Certificate

This competition is to design a superhero character with HTML & CSS.


Side Project

Tool

Comhelper

Comhelper is a free computer helping tool which include difference small tool for Windows OS.Comhelper tool included Computer Details,Rubbish Cleanner,Disk Scanner,Statistic disks and folder,Auto-Shutdown,IP Config,Control Firewall and File Opener.Comhelper has no GUI and run on terminal(cmd),but you can change 7 type of color. Comhelper Github

Web App

Suibiantt Online Music Playlist Streaming App. Suibiantt Web

A simple online music playlist streaming app.

Ai + Computer Tool

AI Computer Wife

AI computer wife which has the function similar with cortana.

Responsive Website / Web App / Online Shopping

ShopJ

Online fashion shop website.

Computer Game

Minecraft in Python

Minecraft that develope with python , pyglet and pygame.

Tool/Software

QR Code Generator

A simple QR Code Generator develope with python. QR Code Generator Github

Responsive Website / Web App / Online Computer Accessories Store

iShop

Online computer accessories store. iShop Github

Artificial Intelligence(AI)

Facemask Detector

Facemask Detector is a AI facemask detector that can live detect people masked or not by using webcam. It is develop with pytourch and cv2. Facemask Detector Github

Mobile App / Web App

Com-Brow Controller

Com-Brow Controller is a tool develop with Node.js and flutter webview( for app ) that allow user to shutdown/sleep/lock and logout their computer by phone browser or app, if their phone and computer connected the same Wi-Fi. Com-Brow Controller

Mobile App / Web App

LiveTV

LiveTV is a web app and an android webview app that allow user free to watch TV online. LiveTV Web

Game / Web App

Tetris Battle Simple Web Version

Tetris Battle Simple Web Version is a online web tetris battle game for entertainingTetris Battle Simple Web Version

Web App

Ticket Management Tool

Ticket Management Tool is a simple tools to manage daily task especially for workTicket Management Tool (Github Repo)

Web App/Web Tool

Brow-Calculator

Brow-Calculator is an online sciencetific calculator can open and use on browser. Brow-Calculator Github

My philosophy of life

I embrace suffering, for I know that beyond it lies a reward worth the struggle.

Author image Yialex Lee Jia Yi

Life is just a game, every challenge you overcome levels you up.

Author image Yialex Lee Jia Yi

Always stay curious, that's the key to growth.

Author image Yialex Lee Jia Yi

The meaning of life is to seek and discover its meaning. You are the one to define it.

Author image Yialex Lee Jia Yi

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