Kavakoss

Ahoy There!

Welcome to Kavakoss — my little corner of the internet where I share cybersecurity projects, CTF write-ups, and random insights along the way.

This site serves as both a portfolio and a record of my learning part project showcase, part public notebook. I hope you find something useful here, or at least interesting!

PETIR REGEN: ngapain stalk bang, ngga ada flag disini.

#include <stdio.h>

int main()
{
    printf("[*] Booting Kavakoss System...\n");
    sleep(1);
    printf("[+] Access granted.\n");
    printf("[>] Welcome, traveler — explore the archives.\n");
    printf("[>] You’ve entered the world of Cyber, Code, and Creativity.\n");

    return 0;
}

🏆 Achievements

🥇 1st Place – SRIFOTON National CTF

A national-level cybersecurity competition hosted by Sriwijaya University, focusing on web exploitation, cryptography, and digital forensics.
Competed as part of PETIR Cyber Security Team, representing Bina Nusantara University, and achieved 1st Place among top university teams from across Indonesia.

🛡️ Top 6 Finalist – WRECK-IT 6.0 CTF

WRECK-IT 6.0 is an annual cybersecurity competition organized by BSSN & Politeknik Siber dan Sandi Negara.

Themed “Perisai: Proactive, Enduring Resilience through Innovative Security and Adaptability in the Blockchain Era.”

Reached the final round - attack & defense (Top 6 nationally) with my team.

⌨️ 2nd Place – CEAFO Speed Typing Competition

A university-level event held during the CEAFO (Computer Engineering and Computer Science Festival) at BINUS University, emphasizing typing accuracy and speed.

Achieved 2nd Place among dozens of participants from the School of Computer Science.

📈 2nd Place – Stock Trading Competition (SMAK 3 PENABUR)

An academic and analytical competition simulating real-world stock trading and portfolio management for high school students.
Ranked 2nd Place based on trading performance and portfolio growth over the simulation period.

📄 Certificate

🧩 Certified AppSec Practitioner (CAP)

Issuer: The SecOps Group
Issued: Jun 2025
A professional certification in Application Security covering secure coding, web vulnerabilities (OWASP Top 10), API security, and DevSecOps fundamentals. Demonstrates proficiency in identifying, analyzing, and mitigating application-level threats.

🧠 Fundamentals of Deep Learning

Issuer: NVIDIA
Issued: Mar 2025
Exploring core concepts of deep learning, including neural networks, backpropagation, and GPU acceleration using NVIDIA tools. Focused on applying AI models for vision, NLP, and data-driven problem-solving.

🔐 Classical Cryptography Course

Issuer: Cyber Academy Indonesia
Issued: Aug 2023
Covers the fundamentals of classical and modern cryptography, including symmetric/asymmetric encryption, ciphers, number theory, and cryptanalysis basics. Strengthened understanding of secure communication principles.

🌐 Introduction to Cybersecurity

Issuer: Cisco
Issued: Jul 2023
Introducing cybersecurity concepts, threat landscapes, and defensive strategies. Includes exposure to network security, ethical hacking, and best practices for protecting digital assets.