Aleš Stibal
Product Security Engineer at Fortinet
Ústí nad Labem, Czechia
Summary
👤
Senior🎓
Top SchoolAleš Stibal is a Product Security Engineer with 11 years of hands-on experience in network and product security, currently at Fortinet after progressing through escalation and leadership roles within the company. He specializes in network protocol reverse engineering and low-level development in C/C++ and Python, with a strong focus on Fortinet technologies and Linux environments. Certified CCSP and FCNSP, he blends customer-facing escalation expertise with product-hardening responsibilities, turning support insights into secure product improvements. An open-source maintainer (author of Smithproxy) and longtime networking tinkerer, he brings pragmatic, tool-building instincts to complex security problems. Based in Ústí nad Labem, Czechia, Aleš pairs a motto of "Evolve or die!" with a track record of mentoring teams and winning regional recognition (FortiChamp 2014 Q4 EMEA).
11 years of coding experience
10 years of employment as a software developer
Czech Technical University in PragueGympl
English
Github Skills (23)
udp10
docker10
snap10
proxy10
tcp10
tproxy10
ssl9
ssh9
modification9
ppp8
group-policy8
replay7
payload7
packet7
tunnel7
Programming languages (5)
Github contributions (5)
astibal/raok
Oct 2017 - Jan 2021
Contributions:36 commits, 7 pushes, 1 branch in 3 years 3 months
astibal/pplay
Jun 2016 - Feb 2021
pcap and smcap python packet payload replayer - and much more!
Contributions:3 releases, 125 commits, 2 PRs in 4 years 9 months
pythonreplaypayloadgroup-policypython3
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