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xyzsteven.

Cybersecurity Engineering Student. Exploring about SIEM, VAPT and System Customization. Also an Open Source and Android Custom ROMs Enthusiast.

Batam, Indonesia
xyzsteven.

Exploring the boundaries of
Systems & Security

I am a Cybersecurity Engineering student at Polibatam with a deep passion about Network Security, Pentesting and System Customization.

Beyond my academic studies in Network Security, Penetration Testing and Digital Forensic. I am an Android Custom ROMs Enthusiast. I love exploring how operating systems work under the hood, optimizing systems, and building my own self-hosted solutions.

Systems

WindowsLinux (Ubuntu/Debian)Android ROMsDocker

SIEM & SOC Ops

WazuhGrafanaTheHiveCortexCloudflare

Offensive

Vuln. AssessmentPenetration Testing

Hardware

PC BuildingTroubleshooting
PESXplorer
PESXplorer

Jul 2025 - Sep 2025

A fast, client-side desktop web application for searching, filtering, and comparing player. Designed to help users find the perfect player using both general criteria and deep attribute analysis.

CodeLive
JavaScript
HTML
CSS
Cloudflare
SIEM Development Attack and Defense | Polibatam's Project Based Learning
SIEM Development Attack and Defense | Polibatam's Project Based Learning

Feb 2025 - Aug 2025Associated with State Polytechnic of Batam

SIEM Development Attack and Defense is ​a Project Based Learning (PBL) that focus is on building a Security Information and Event Management (SIEM) system and hardening servers, forming the foundation for a Red Team will simulate cyberattacks to uncover vulnerabilities, while the Blue Team will be tasked with defending the system, detecting threats, and responding to incidents.

Ubuntu Server
Wazuh
Grafana
Prometheus
TheHive
Cortex
MISP
ModSecurity
Cloudflare
ArchCrack
ArchCrack

Jun 2025 - Jun 2025

A lightweight Bash script designed to automate the process of finding the password for a protected archive file using a dictionary attack.

Shell
Well Architect SIEM Implementation | Polibatam's Project Based Learning
Well Architect SIEM Implementation | Polibatam's Project Based Learning

Aug 2024 - Jan 2025Associated with State Polytechnic of Batam

Well Architect SIEM Implementation is ​a Project Based Learning (PBL) that applies Security Information and Event Management (SIEM) a system that collects, monitors, and analyzes security data from various sources within the IT infrastructure simulate in Virtual Machines.

Ubuntu Server
Wazuh
Grafana
Prometheus
DFIR-IRIS
OpenCTI
TrueNAS
OpenVPN
DDoS Defend Matrix | Polibatam's Mini Project Based Learning
DDoS Defend Matrix | Polibatam's Mini Project Based Learning

Feb 2024 - Jul 2024Associated with State Polytechnic of Batam

DDoS Defend Matrix is ​a Mini Project Based Learning (PBL) that applies Security Scripts with Data Structure Algorithms to Simulate DDoS Attacks on GNS3.

Ubuntu
Debian
GNS3
Python
Classic Cryptography Application Development | Polibatam's Mini Project Based Learning
Classic Cryptography Application Development | Polibatam's Mini Project Based Learning

Aug 2023 - Jan 2024Associated with State Polytechnic of Batam

Classic Cryptography Application Development is ​​a Mini Project Based Learning (PBL) aims to develop a classic cryptography application that allows users to secure text messages with the cryptography method.

Python
Tkinter
MySQL

Let's connect

Feel free to reach out if you have a question or just want to chat about Security, Pentesting, System or Android Customization. I'm glad to share and learn new things.