about
I'm kyotozx, an 18-year-old offsec enthusiast, ctf player and pentester.
Academic Background
Computer Science
Universidade Vila Velha (UVV) · Feb 2025 - Present
Professional Experience
Information Security Analyst 1 - Red Team
Ayko Technology
July 2025 - Present
Working with threat simulations and web, mobile, api and active directory pentests.
Red Team Residency
PoP-ES (RNP)
Mar 2025 - Aug 2025
Working with pentests, offensive tools and threat simulations.
Technical Skills
Python (automations, scripting)Linux, Networking, Offensive SecurityCTFs, vulnerability analysis, web exploitation, privescWindows, Active Directory, NetExec
Certifications
Desec Security Penetration Tester (DCPT)In progress
Certified Red Team Analyst (CRTA)CyberWarfare Labs - Nov 2025
Hackers do Bem: Red Team SpecializedOct 2024
Languages
Portuguese
Native/Fluent
English
Advanced · TOEIC Bridge
CTF Achievements
Top #128 World and Top #3 BR - HackTheBox CTFs Season 7 (2025)
Top #7 - 1st Hackers do Bem CTF: R$1000 prize (2024)
Top #5 - BSides Vitória/ES CTF (2024)
Top #7 - CyberGames RNP: R$500 prize (2024)
Top #2 - BSides Vitória/ES CTF (2025)
Top #4 - 4th Hackers do Bem CTF: R$600 prize (2025)