Skip to content
ArvssSay hello

Arvy · Aggabao

Arvss

I break, build, and harden systems.

Software engineering × blue-team security × networks — BSIT undergrad, class of 2027, building in the open.

Portrait of Arvy

Proof of work

Builds
28
Apps, tools & platforms written in code
Papers & write-ups
6
Research, network designs & CTF write-ups
Public repos
22
Source open on GitHub & GitLab
Live sites
7
Deployed and reachable today
Certifications
30
Security, networking & AI
Badges
20
Digital credentials issued via Credly
Exposure
10
CTFs, hackathons & programs
Tools in the kit
45
Languages, frameworks & security tooling

Selected work

Built to ship. Tested to hold.

Five flagships with receipts — infrastructure I built and ran, ranked competition runs, a career certification, and a University of Tokyo data science course. Everything else sits in the archive below.

AWS SBG uCTF 2026 preview

Flagship 01

AWS SBG uCTF 2026

Led the technical build of USLT's first CTF: 45 challenges I authored, 8 teams, and a live CTFd platform behind Nginx and a Cloudflare Tunnel.

  • CTFd
  • Nginx
  • Cloudflare Tunnel
  • Challenge Authoring
  • Cybersecurity
Hack4Gov 2026 preview

Flagship 02

Hack4Gov 2026

Placed 5th overall with my team at Hack4Gov 2026, the capture-the-flag competition hosted by DICT Region II.

  • CTF
  • Team Competition
  • DICT Region II
Cyber Apocalypse 2026 preview

Flagship 03

Cyber Apocalypse 2026

Represented USLT as team SafebytePH at Hack The Box's global CTF: team MVP with 42 of 136 flags and 25,900 points, finishing 592nd of 6,744 teams.

  • Hack The Box
  • CTF
  • Team SafebytePH
Cybersecurity Defense Analyst Career Path preview

Flagship 04

Cybersecurity Defense Analyst Career Path

Completed Cisco Networking Academy's Cybersecurity Defense Analyst career path and pathway exam through the DICT-ITU DTC Initiative.

  • Cisco NetAcad
  • Blue Team
  • Cyber Defense
GCI World April 2026 preview

Flagship 05

GCI World April 2026

Completed the University of Tokyo Matsuo-Iwasawa Lab's data science course, studying ML from the fundamentals and building a predictive model as my final project.

  • Data Science
  • Machine Learning
  • University of Tokyo

Archive

33 of 33 projects

  • Other

    CTF Write-Up for Cyber Apocalypse 2026 (Hack The Box)

    Write-up of our team's run at Cyber Apocalypse 2026 (July 24–29, 2026), where I represented the University of Saint…

    • CTF
    • Write-Up
    • Hack The Box
    • +1
  • Paper

    Term Project: 2-Storey Co-Working Space Network Design

    Designed and simulated a collapsed two-tier network for a hypothetical two-story co-working space, supporting100 to…

    • Network Design
    • Cisco
    • VLAN
    • +2
  • Code

    Recon-X

    An interactive CLI reconnaissance tool built in Python and packaged with uv. It runs as a session-based shell for…

    • Python
    • CLI
    • Reconnaissance
    • +2

    No public link

  • Code

    Priorix v2 (Chrome Extension)

    A Chrome new-tab extension inspired by Momentum Dash, built with React and the Unsplash API. Features a 24-hour local…

    • React
    • Chrome Extension
    • Unsplash API
    • +1

    No public link

  • Code

    Priorix

    A full-stack personal productivity web app built with Next.js 14, TypeScript, and Firebase. It features task…

    • Next.js 14
    • TypeScript
    • Firebase
    • +2

    No public link

  • Code

    USLT Digital Portfolio

    This platform serves as the improved version of ITE Digital Portfolio, built with Laravel, and supports different…

    • Laravel
    • Vue (Prime Vue)
    • MySQL
    • +1

    No public link

  • Code

    Java 101

    A static learning website for Java fundamentals. Contains information about the background, data types, operators,…

    • HTML
    • CSS
    • JavaScript
    • +2
  • Code

    ITE Digital Portfolio

    This platform serves as a centralized digital repository for ITED instructors at the University of Saint Louis…

    • React
    • Node.js
    • Express
    • +1

    No public link

  • Code

    Tara-vel Landing Page

    A landing page for Tara-vel, a public transportation companion app for Cagayan Valley commuters.

    • Next.js
    • GSAP
    • JavaScript
    • +1
  • Code

    Tara-vel Admin Page

    The admin panel for managing Tara-vel functions and users

    • Next.js
    • TypeScript
    • Redux
    • +4
  • Other

    CTF Write-Up for Photo Stock (Kaspersky)

    Guide on how I found the bug and got the flag from the hosted instance.

    • JWT
    • Web Exploitation
    • Cybersecurity
    • +2
  • Code

    Portfolio Website

    A portfolio website built with Bootstrap 5, HTML, and vanilla JS featuring dynamic content loading and smooth…

    • HTML
    • CSS
    • JavaScript
    • +1
  • Code

    Web Systems 2 - Shoe Store E-commerce Website

    A Basic web application for a shoe store e-commerce website. Features product listings, role-based authentication,…

    • Bootstrap
    • MySQL
    • PHP
  • Code

    Web Systems 2 - Basic Employee Management System

    An application that uses bootstrap datatable. Uses MySQL database to store employee records.

    • Bootstrap
    • MySQL
    • PHP
  • Code

    Python Simple Chat Application

    A simple chat application built with Python using socket programming and Tkinter for the GUI.

    • Python
    • Socket Programming
    • Tkinter
    • +1
  • Code

    Web Systems 2 Prelim Project

    Recreation of SDG 14 Promotional Website with Bootstrap 5, PHP, and MySQL.

    • Bootstrap
    • PHP
    • MySQL
  • Code

    Aeluminate Admin Dashboard

    A PHP-based admin dashboard for managing users of the Aeluminate platform.

    • PHP
    • HTML
    • Composer
  • Code

    Unstuffed Web MVP - Philippine Startup Competition 9

    Minimum Viable Product (MVP) web application developed for Unstuffed, a startup solution presented at the Philippine…

    • PSC 9
    • MVP
    • React
    • +1
  • Paper

    Artificial Intelligence for Enhanced Cybersecurity (A Term Project)

    A mini literature review on the applications of AI in cybersecurity, particularly in the financial sector.

    • Machine Learning
    • Cybersecurity
    • AI
    • +1
  • Paper

    Artificial Intelligence and Machine Learning in Cybersecurity (A Term Project)

    Detailed analysis of machine learning applications in cybersecurity, including threat detection algorithms and…

    • Machine Learning
    • Cybersecurity
    • AI
  • Code

    Playwright Testing Repo (Java)

    A comprehensive automation testing repository utilizing Microsoft Playwright for Java to perform end-to-end web…

    • Java
    • Playwright
    • Testing
    • +2
  • Code

    SDG 14 Promotional Website

    A repository dedicated in promoting UNESCO Sustainable Development Goal 14: Life Below Water.

    • HTML
    • CSS
  • Code

    PHP Practice

    A practice project for PHP development, focusing on login and registration functionalities with MySQL database…

    • PHP
    • Web Development
    • Practice
  • Paper

    Network Architecture (A Term Project)

    Developed a detailed network infrastructure and basic security plan, including equipment and hardware selection, cost…

    • Network Security
    • Research
    • Network Architecture
    • +1
  • Code

    Boggle Word Game(Python CORBA Project)

    A multiplayer word game based on Boggle, built with Python using CORBA architecture and MySQL database. Players…

    • Python
    • omniORBpy
    • MySQL
  • Code

    Boggle Word Game(Java CORBA Project)

    A multiplayer word game based on Boggle, built with Java using CORBA architecture and MySQL database. Players compete…

    • Java
    • CORBA
    • MySQL
  • Code

    Creative Corner (Java Networking Project)

    This project uses Java RMI Structure following a client-server architecture, allowing users to create art commission…

    • Java
    • Client-Server
    • Java Swing
  • Code

    Gig Application (Java and MySQL Programming)

    A platform for live music streaming built with Java, MySQL, and JDBC. Features DAO pattern for database operations…

    • Java
    • MySQL
    • Java Swing
  • Code

    First Portfolio Website

    My first portfolio website created.

    • HTML
    • CSS
    • JavaScript
  • Code

    Web Development Practice

    A repository for practicing web development skills.

    • HTML
    • CSS
    • JavaScript
    • +2
  • Code

    Grade Calculator

    A simple website that calculates the final GWA of a student based on their grades and units.

    • HTML
    • CSS
    • JavaScript
  • Code

    DSA Repo 2 (IT212 - Data Structures and Algorithms)

    A collection of data structures and algorithms implemented in Java.

    • Java
    • Data Structures
    • Algorithms
  • Code

    DSA Repo 1 (IT212 - Data Structures and Algorithms)

    A collection of data structures and algorithms implemented in Java.

    • Java
    • Data Structures
    • Algorithms

Credentials

Every claim, filed.

The full paper trail — every card downloads its file. New credentials land here, in one place.

2026

21 files

Badge wall

20 badges

  • Apply AI Update Your Resume

  • Computer Hardware Basics

  • Cyber Threat Management

  • Cybersecurity Defense Analyst Career Path

  • Data Analytics Essentials

  • Digital Awareness

  • Digital Safety and Security Awareness

  • Endpoint Security

  • Ethical Hacker

  • Industrial Cybersecurity Essentials

  • Introduction to Cybersecurity

  • Introduction to Data Science

  • Introduction to Modern AI

  • Linux Essentials

  • Network Defense

  • Networking Basics

  • Networking Devices and Initial Configuration

  • Network Support and Security

  • Operating Systems Basics

  • Security and Connectivity Support

How I work

Steady from first call to handover.

Four steps in the open, repeated on every build — nothing hidden, nothing rushed.

  1. 01

    Discover

    Understand the goal, the users, and the constraints first.

  2. 02

    Build

    Ship working software in small, reviewable steps.

  3. 03

    Harden

    Test, review, and tighten everything before it goes live.

  4. 04

    Hand over

    Document and demo so the work runs without me.

Toolkit

A practical toolkit.

The tools I reach for, grouped by the job they do — broad on purpose, current in practice.

Programming Languages

06 tools

  • Python
  • Java
  • JavaScript
  • HTML5
  • CSS3
  • SQL

Frameworks & Libraries

07 tools

  • Bootstrap
  • Tailwind CSS
  • Node.js
  • Next.JS
  • Plotly
  • React
  • Laravel

Databases & Backend

05 tools

  • MySQL
  • Firebase
  • Supabase
  • Appwrite
  • SQLite

Cloud & Deployment

06 tools

  • Vercel
  • Docker
  • Google Cloud
  • Cisco
  • Render
  • n8n

Tools & Productivity

11 tools

  • Git
  • Github
  • Gitlab
  • Figma
  • Canva
  • Notion
  • Microsoft 365
  • Google Workspace
  • Google Colab
  • Trello
  • Discord

Security

10 tools

  • Wireshark
  • Bitbucket
  • Bash
  • Kali Linux
  • Ubuntu
  • Burp Suite
  • Neovim
  • Cyberchef
  • IDA
  • Postman

About

A builder who stays past the demo.

I am a dedicated Information Technology undergraduate with a passion for solving complex problems through innovative technology solutions. I am eager to be a part of an organization or company that will enrich my potentials, build my character and utilize my knowledge and skills in the best possible way for achieving the organization's goals.

My work spans software engineering, blue-team security, and networks — built in the open, hardened before it ships.

Problem Solver
I thrive on identifying challenges and developing solutions.
Team Collaborator
Strong communication skills and teamwork experience.
Fast Learner
Adaptable and quick to master new technologies.
Innovative Thinker
I enjoy exploring new ideas and creative solutions.
Organization and Time Management
I excel at managing my time effectively and staying organized.

Exposure

Competitions, events, programs

  1. 01

    AWS SBG uCTF 2026

    Led the technical build: 45 challenges for 8 teams on a live CTFd platform.

    2026 · AWS Student Builder Group - USLT Chapter

  2. 02

    Hack4Gov 2026

    Placed 5th overall at DICT Region II.

    2026 · Department of Information and Communications Technology (DICT) Region II

  3. 03

    Cyber Apocalypse 2026

    Named team MVP with 42 of 136 flags solved, placing 592nd of 6,744 teams.

    July 24–29, 2026 · Hack The Box

  4. 04

    GCI World April 2026

    Completed the University of Tokyo data science course and built a predictive ML model as the final project.

    April–July 2026 · Matsuo-Iwasawa Laboratory, Graduate School of Engineering, The University of Tokyo

  5. 05

    Hack4Gov 2025

    Placed 2nd overall at DICT Region II.

    2025 · Department of Information and Communications Technology (DICT) Region II

  6. 06

    AI Class Asean

    Completed the 12-hour AI learning track.

    2025 · Asean Foundation with support from Google.org

  7. 07

    Hour of Code Webinar

    Joined the DICT Region II Hour of Code.

    2025 · Department of Information and Communications Technology (DICT) Region II

  8. 08

    AI-Powered Future: Mastering Prompt Engineering in Generative AI

    Practiced prompt engineering with generative AI.

    2025 · Department of Information and Communications Technology (DICT) Region V

  9. 09

    Kaspersky CTF 2025

    Placed 5th in the Philippines and 29th of 716 across Asia-Oceania.

    2025 · Kaspersky

  10. 10

    Trend Micro uCTF Challenge

    Placed 56th of 199 teams nationally.

    2025 · Trend Micro

Education

College to junior high

  1. 01

    College · 2027 (Expected)

    University of Saint Louis Tuguegarao

    Bachelor of Science in Information Technology

    Tuguegarao City, Cagayan

  2. 02

    College · 2022-2024

    Saint Louis University

    Bachelor of Science in Information Technology (3rd year)

    Baguio City, Benguet

  3. 03

    Senior High · July 2022

    Luciano Millan National High School

    Science, Technology, Engineering and Mathematics (STEM)

    Asingan, Pangasinan

  4. 04

    Junior High · 2020

    Luciano Millan National High School

    K to 12 Curriculum

    Asingan, Pangasinan

Contact

Say hello.

Roles, internships, projects, or just a hello. Send it here and it lands straight in my inbox. I reply within a day.

Send a message

What's this about?
0 / 4,000 characters

I read every message. No mailing lists.