Nelson Rufino
Sr Information Security Engineer
Canada
Summary
👤
Senior🎓
Top SchoolNelson Rufino is a seasoned information security engineer with over two decades of hands-on experience securing networks, applications, and cloud environments, currently serving as Sr. Information Security Engineer at Lyrical Security. He blends deep technical skills in C/C++, Python, Go, shell scripting and OSINT tooling with practical expertise deploying firewalls, IDS/IPS, QRadar, and automated CI/CD security testing. Nelson has led internal red teams, built OSINT platforms, and secured OpenBank API initiatives for banks and large enterprises, bringing an attacker-informed defensive mindset shaped by work at Banco do Brasil, CIBC, and Arctic Wolf. Founder of the You sh0t the Sheriff Infosec conference and author of multiple Portuguese security books, he is an active educator and open-source contributor (Chkrootkit, Beholder) who speaks and teaches widely. Known for translating complex threats into pragmatic, scalable defenses, he also has a lesser-known track record in ATM security mitigation and integrating deception and UBA technologies into enterprise defenses. Based in Canada, he continues to bridge research, training, and operational security across protocol, mobile, forensics, and pentesting domains.
9 years of coding experience
18 years of employment as a software developer
Bachelor's degree, Bachelor's degree at Unversidade Catolica de Brasilia
English, Portuguese, Spanish
Github Skills (42)
monitoring10
hid10
spoofing10
hacking10
proxy10
security10
knife10
mobile-application10
aircrack-ng10
ipv410
ipv610
wifi-security10
wifi10
android-security9
rest9
Programming languages (4)
Github contributions (5)
nmurilo/favenets
Jun 2020 - Nov 2024
Contributions:18 pushes, 1 branch in 4 years 5 months
nmurilo/BeholderWifi
Aug 2019 - Aug 2023
Contributions:21 pushes, 1 branch in 4 years
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.