root@akosibrylle.dev:~$

# this is my personal portfolio!


$ whoami

Brylle Olaivar | ka1ro | 🇵🇭
📚 Polytechnic University of the Philippines

A computer engineering student with interests in embedded systems, internet of things, circuits and cybersecurity. I'm comfortable testing with a multimeter or a binary debugger;)

Team Leader: A1SBERG; a cybersecurity organization

$ cat skills.txt

Skills:

  • Embedded Systems & IoT
    - esp32, arduino and raspberry pi pico microcontroller boards
    - freertos development experience
    - developed web ui's embedded in microcontrollers
    - circuit design and soldering
  • Cybersecurity
    - offensive Security from vulnerability assessment to penetration testing
    - digital forensics and incident response (I've stopped and mitigated an APT malware on my server!)
    - plenty of CTF playtime (and hosting!) experience
    - particularly invested in pwn, web and boot2root categories
  • System Administration
    - linux sysadmin
    - bash and fish scripting
    - local and cloud server hostinng
  • Website & App Development
    - cross-platform and progressive web applications using web technologies.
    - web server development and hosting using Flask, PHP, Golang and JavaScript.
    - CRUD systems

Achievements:

  • Hack4Gov 3 Regionals | 🏆 Wildcard
  • Hack4Gov 3 Finals | 🏆 1st Place
  • Trend Micro uCTF Qualifiers | Top 5/180
  • Trend Micro uCTF Finals | Top 15/30
  • HackTheBox uCTF: Binary Badlands | Top 120/1128
  • picoCTF 2025 | Top 224/10,000+
  • WARZONE Cyber Warfare Odyssey Quals | 🏆 Top 1/38
  • WARZONE Cyber Warfare Odyssey Finals | Top 3/17
  • Trend Micro uCTF 2025 | Top 2/199
  • SEEN CTF 2025 | 🏆 Champion
  • Hack4Gov 4 Regionals | 🏆 Champion
  • Hack4Gov 4 Nationals | Top 6/20

Certs:

  • Cisco Computer Hardware Basics

$ curl tech.stacks

bash

My tech stacks includes, but not limited to, all of the above! I can easily adapt to different tools and languages, but these are mostly what I work with.

Software aside, I've also mastered the use of multimeters, soldering iron, and other toolkits in the electronics workplace.

Click here to see my projects...