RISE THE RANGER 2 CYBER COMPETITION
Achieved Juara Harapan 3 in the Incident Response category, gaining hands-on experience in incident analysis, investigation, and team-based cybersecurity problem solving.
Nicholas Aprilio Chung
Cybersecurity Student | Offensive Security
I’m a Cybersecurity student with a strong interest in offensive security, cryptography, and reverse engineering. I build my practical skills through CTF challenges, security labs, and hands-on projects involving penetration testing, web security, and binary analysis. I enjoy learning how systems work, identifying weaknesses, and continuously improving my technical problem-solving skills.
Tech Stack
Technologies I’ve Used
- Python
- C
- Linux
- Burp Suite
- Wireshark
- Ghidra
- Git
- GitHub
- Docker
- MySQL
- Laravel
- Jadx
- Apktool
- WSL
- PHP
- SQL
- HTML
- CSS
- JavaScript
- GDB
- Pwndbg
- angr
- binwalk
- RsaCtfTool
- Windows
- VirtualBox
- Android Studio
- ADB
- VS Code
- phpMyAdmin
Achievements
Competition highlights
Selected competitions and recognition from hands-on cybersecurity practice, technical problem solving, and team-based learning.
IT Fest
Reached the finalist stage in the CTF Jeopardy category, solving cybersecurity challenges across multiple technical domains under competition conditions.
Education
Education
Academic background.
2019 – 2024
Sekolah Lanjutan Advent (SLA) Tompaso
Organizations / Activities
Organizations & Activities
Campus and cybersecurity community involvement.
May 2026 – Present
PETIR Cyber Security
Apprentice
Participating in cybersecurity learning activities and practical skill development through community-based training and technical exercises.
20 February 2025 – 6 December 2025
Cyber Security Club BINUS University
Activist — Human Capital Division
Contributed as an activist in the Human Capital Division, supporting internal organizational activities and member development within the cybersecurity student community.
CTF Writeups
Competition Writeups
A collection of writeups from cybersecurity competitions and CTF events I participated in.
PETIR CYBER SECURITY
PETIR Cyber Security Qualification 2026
Qualification 2026
Qualification writeup documenting challenge analysis and solutions across multiple cybersecurity categories.
View WriteupCSC CTF
CSC CTF Contest 2026
2026
Competition writeup covering challenges across several CTF categories including web exploitation, cryptography, forensics, reverse engineering, binary exploitation, and misc.
View Writeup
GUNADARMA CODE WEEK
GCW 2.0 CTF Qualifier
Qualification 2026
Team qualification writeup covering technical challenges across multiple CTF categories including forensics, web exploitation, cryptography, pwn, reverse engineering, and miscellaneous challenges.
View Writeup
RISE THE RANGER 2 CYBER COMPETITION
RISE THE RANGER 2 — Qualification
Qualification
Team writeup documenting the investigation process, technical analysis, evidence examination, and challenge-solving approach used during the qualification stage.
View WriteupRISE THE RANGER 2 CYBER COMPETITION
RISE THE RANGER 2 — Final
Final
Incident Response
Incident Response final-stage writeup covering investigation, evidence analysis, attack tracing, and defensive security tasks.
View WriteupContact
Let's connect.
I am open to internship opportunities, security learning communities, and projects where I can grow through practical technical work.