Rubens Brandão
Cyber Security Specialist at Rubens Brandao tecnologia
Espírito Santo, Brazil
Summary
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SeniorRubens Brandão is a Cyber Security Specialist with a decade of hands-on experience in systems programming, reverse engineering, Rust, and WebAssembly. He has worked across industry and academia—bringing practical vulnerability analysis from roles at Ubiquiti Networks and HackerOne to consultancy and teaching engagements in Brazil. Currently running Rubens Brandao tecnologia, he blends deep low-level technical skills with real-world security operations and bug bounty insight. Known for turning close-to-metal research into pragmatic defenses, he excels at dissecting complex binaries and building resilient tooling in Rust. Based in Espírito Santo, Brazil, Rubens pairs a research-minded approach with practitioner experience that surfaces non-obvious attack vectors and hardens systems accordingly.
10 years of coding experience
Portuguese, English, French
Stackoverflow
391reputation
4kreached
13answers
0questions
Github Skills (169)
end-to-end-encryption10
messaging10
identity10
frida10
authentication10
std10
security10
reload10
squashfs10
afl-fuzz10
encryption10
ninja10
ghidra10
decompilation10
api10
Programming languages (8)
Github contributions (5)
rbran/sleigh2rust
Sep 2022 - Mar 2023
Contributions:40 commits, 37 pushes, 1 branch in 5 months
rbran/sleigh-rs
Jun 2022 - Jan 2023
Ghidra Sleight (PCode) parsing library in Rust.
Contributions:50 commits, 3 PRs, 130 pushes in 6 months
disassemblerdisassemblyemulationemulatorghidra
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