EXECUTABLE
Inje.X
Research tooling for adversarial attacks across language models, with an emphasis on reproducible experiments and prompt-level evaluation.
PythonNLPSecurity Research
/profile/boot
Overview
I'm Rafael Peixoto
A Brazilian Computer Science student with expertise in cybersecurity and systems architecture. I combine modern security practices with efficient development to create performant solutions. Currently exploring ways to bridge classic computing principles with modern technology.
∆ security ∆ pentester ∆ graphics tinkerer ∆ curious ∆ quantum computing ∆ artificial intelligence ∆ software engineer ∆ cryptography ∆ security ∆ pentester ∆ graphics tinkerer ∆ curious ∆ quantum computing ∆ artificial intelligence ∆ software engineer ∆ cryptography ∆ security ∆ pentester ∆ graphics tinkerer ∆ curious ∆ quantum computing ∆ artificial intelligence ∆ software engineer ∆ cryptography
/work/featured
Featured Projects
A compact view of the systems, security, and product experiments that best represent how I ship and document technical work.
EXECUTABLE
Krypto
A Rust password manager in active development, focused on practical ergonomics, secure defaults, and low-level learning.
RustCLIEncryption
EXECUTABLE
MyRetroGameList
A retro games catalog built with server-rendered web fundamentals and a deliberate visual identity.
DjangoTailwindCSSHTML
/sys/skills
Skills
MOD_0x01
> Systems Architecture
MOD_0x02
> Penetration Testing
MOD_0x03
> Network Security
MOD_0x04
> Python / C
MOD_0x05
> Linux Administration
MOD_0x06
> Docker / K8s
MOD_0x0A
> Machine Learning
MOD_0x0B
> Quantum Computing
MOD_0x0C
> Formal Verification
∆ focus driven ∆ network ∆ low level systems ∆ music enjoyer ∆ problem solver ∆ OS enthusiast ∆ builder ∆ ricing admirer ∆ focus driven ∆ network ∆ low level systems ∆ music enjoyer ∆ problem solver ∆ OS enthusiast ∆ builder ∆ ricing admirer ∆ focus driven ∆ network ∆ low level systems ∆ music enjoyer ∆ problem solver ∆ OS enthusiast ∆ builder ∆ ricing admirer
/sys/experience
Experience
Intern Security Researcher
@ CISSA
2026 - 2026
- Colaborated on the development of a technical paper
- Developed a scalable tool for measuring AI models robustness against different adversarial attacks.
- Documented robust threat modeling on possible attack vectors against critical infrastructure.
Leader, Recruiter, Active Member
@ 0xBit CTF Team
2023 - Present
- Researched exploit chains and mitigation patterns in controlled labs.
- Collaborated on CTF challenge solving. Being them: THM Advent of Cyber'24, srdnlen'25, srdnlen'26
- Presented security findings and practical defenses to peers.
/writing/featured
Featured Writing
Write-ups, notes, and personal logs from the archive.
Valdoria CTF
Back to 1984, searching through data
Breaking AI
Saudacious remarks about dreaming of eletric sheeps and teenage desires
Introduction
My background in cybersecurity and systems thinking.
Profiles
Open the public trails where I ship code, write publicly, and maintain professional context.