Edwin Chua

Information Security Student | Cloud Security Enthusiast | CTF Player

About Me

Cybersecurity student with a strong interest in offensive security and cloud pentesting. In my free time, I enjoy participating in CTFs and learning about new security tools and techniques.

Work Experience

Cybersecurity Specialist

Digital and Intelligence Service
2023 - Present
  • Cybersecurity Specialist part of the DIS CySpec Scheme
  • Trained in cybersecurity, details are classified.

Software Engineer Intern

GovTech Singapore
Feb 2023 - Jun 2023
  • Intern at Cyber Security Group, Government Cybersecurity Consultancy Services
  • Configured a test-range on Azure to demonstrate Zero-Trust principles and capabilities
  • Assisted in demonstrating Key Government Zero Trust (GovZTA) concepts at GovTech Stack Meetup to improve security and user experience with the test-range

Software Engineer Intern

Cybersecurity Agency of Singapore
Sep 2022 - Feb 2023
  • Intern at Cybersecurity Engineering Centre, Attack Simulation Group
  • Developed proof-of-concept scripts, and emulated adversaries' tactics, techniques, and procedures (TTPs) based on the Microsoft Azure Threat Research Matrix.
  • Utilize DevOps automation tool, Terraform, to deploy cloud infrastructure via codes

Certifications

OSCP

OffSec Certified Professional

OSWE

OffSec Web Expert

CARTP

Certified Azure Red Team Professional

CEHv11

Certified Ethical Hacker

CHFIv10

Computer Hacking Forensics Investigator

AWS CLD-100

AWS Certified Cloud Practitioner

AZ900

Microsoft Certified: Azure Fundamentals

SC900

Microsoft Certified: Security, Compliance, and Identity Fundamentals

Competitions

PwC HackaDay CTF 2024 - First

Hack A Day, hosted by PwC Hong Kong. Students from Hong Kong, Macau, Singapore, Indonesia, Vietnam, Malaysia, and Thailand are invited to participate in the Capture the Flag Competition.

NUS Grey Cat The Flag 2024 Finals - Top 10

Grey Cat The Flag is an annual CTF hosted jointly by NUS Greyhats and Division Zero (Div0), supported by the National Cybersecurity R&D Lab.

BrainHack Cyber Defenders Discovery Challenge - Champion

CDDC is an annual CTF organized by DSTA. My team achieved Champion on 2023 in the Poly category

DefCon 2024 Cloud Village CTF - Second

Jeopardy style CTF with a bunch of challenges hosted across multiple Cloud providers across multiple categories of difficulty

HackSpaceCon Azure DART CTF - First

DART CTF was organized by Nikhil Mittal and AlteredSecurity as the Pre-Con CTF for HackSpaceCon 2023.

You can view my writeup here

Awards & Recognition

AiSP Student Volunteer Recognition Programme Honarary Ambassador

The SVRP aims to encourage volunteerism amongst students while developing their interest in cybersecurity. It is organised by the Association of Information Security Professionals and backed by the Cyber Security Agency of Singapore (CSA).

The Cybersecurity Awards 2023 Student Category

This award recognises students in the Institutes of Higher Learning who are passionate about cybersecurity, have volunteered in this field, as well as attained achievements in their cybersecurity fields.

Contact

I'm always interested in discussing new security challenges and opportunities. Feel free to reach out!