ZHAO Bingcheng (Leo)

CyberSec Practitioner @ HK PolyU NuttyShell | Web Dev

Kowloon, Hong Kong
liyanqwq#gmail.com

Summary

Information Security undergraduate at The Hong Kong Polytechnic University and Certified Red Team Professional (CRTP). Proven offensive security expertise demonstrated through multiple championships in regional Cybersecurity CTF Competitions (e.g., BSides HK, Yangcheng Cup). Experienced in full-stack development with a strong focus on secure coding and automation. Multilingual professional proficient in English, Chinese, and Cantonese.

Education

The Hong Kong Polytechnic University

BSc (Hons) in Information Security

Sep 2023 - Jun 2027 (expected)

Memberships & Services

Active Member

NuttyShell (The PolyU CTF Team)

The Hong Kong Polytechnic University

Sep 2023 - Present

Skills

Full-Stack Web Development

Skills Distribution

HTML5
Frontend
CSS
Frontend
PHP
Backend
JavaScript
Frontend
Tailwind CSS
CSS
Git
DevOps
Laravel
Framework
Python
Backend
TypeScript
Language
RESTful API
API
TALL Stack
Framework
NodeJS
Backend
MySQL
Database
Flask
Framework
Docker
DevOps
MongoDB
Database
Beginner
Intermediate
Expert
Tap to view skill details

Cyber Security

Red Teaming

Active Directory AttacksKerberos ExploitationLateral MovementDomain Privilege EscalationCross-Domain Trust Abuse

Web Exploitation

Web Application SecurityAPI SecuritySocial Engineering

Reverse Engineering

Binary AnalysisMalware AnalysisVulnerability Research

Digital Forensics

SteganographyNetwork Traffic AnalysisComputer / Mobile Forensics

Programming, Data Analysis

C++PythonRRust

Languages

ChineseNative with Standard Mandarin
CantoneseProficient
EnglishProficient

Work Experience

Student Research Assistant (STEM Internship)

School of Accounting and Finance, PolyU, Hong Kong

Nov 2024 - Jan 2025

PythonMachine LearningData AnalysisGIS
  • Processed government spatial datasets to correlate building information with land lots for land grant analysis.
  • Applied AI and machine learning techniques to examine US SEC filings and detect sentiment in audio-visual materials.

Student Research Assistant (STEM Internship)

School of Accounting and Finance, PolyU, Hong Kong

Dec 2024 - Jan 2025

PythonMachine LearningData Analysis
  • Collected public real estate data and developed Python scripts to parse unstructured PRN data from legacy databases.
  • Analyzed regulatory inquiry letters from Chinese authorities using AI models.

Student Research Assistant

Department of Computing, PolyU, Hong Kong

Jan 2024 - May 2024

HugoBloxTailwindCSSVercelGitJavaScript
Develop and maintain team website using HugoBlox, TailwindCSS, and Vercel.

Maintenance Engineer

Munshare (Thindek), Remote, Shenzhen China

Oct 2021 - Dec 2022

Frontend OptimizationICP ComplianceJavaScriptCSS
Optimized frontend performance for China's network environment and led ICP compliance.

Projects

Website, NuttyShell (The PolyU CTF Team)

Official website for the PolyU CTF Team.

Aug 2025 - Present

AstroTypeScriptTailwind CSS
Independently designed and developed the migration of the official website from WordPress to a static architecture using Astro and Tailwind CSS, significantly enhancing platform security, performance, and accessibility.

NuttyBadge, PolyU x NuttyShell CTF 2025

Hardware souvenir badge for the CTF competition.

May 2025

ESP-IDFIoTC
Refined core software modules for the NuttyBadge hardware (souvenir of the CTF), specifically optimizing the logic for the WiFi Scanner, Bluetooth Scanner, and RGB Control units.

SGOJ

Online judge platform for algorithm contests.

May 2020 - Dec 2022

WebNodeJSMongoDBGit
  • Rewrote the project based on Hydro and optimised the evaluation process to be more in line with the latest CCF (Chinese Computer Federation) competition standards.
  • Developed several open-source addons for Hydro, and some of them are widely used.

Awards & Honors

Bronze Medal (HK & Macau Category)

The 2025 "GBA Cup" Cybersecurity Competition

「灣區杯」網絡安全大賽決賽季軍 (港澳組)

CyberSecurity

Sep 2025

HKSARG Talent Development Scholarship (2024-25)

HKSAR Government Scholarship Fund

香港特區政府獎學基金 - 才藝發展獎學金

Scholarship

Jun 2025

Champion

BSides HK CTF 2025

BSides Hong Kong Capture the Flag Competition

CyberSecurity

Apr 2025

Certifications

Certified Red Team Professional (CRTP)

Altered Security

Dec 2025

Network and Information Security Management Engineer (Intermediate)

Ministry of Industry and Information Technology, PRC

Mar 2025

Remote Pilot Certificate (SUA)

Civil Aviation Department, HKSAR

May 2025