Athanasios Grammatopoulos
Cybersecurity Officer at European Union Agency for Cybersecurity (ENISA)
Athens, Attica, Greece
Summary
👤
Senior🎓
Top SchoolAthanasios Grammatopoulos is a cybersecurity officer at ENISA with a decade of hands-on experience blending research, offensive tooling and operational security across EU institutions and private innovation labs. He holds advanced degrees in digital systems security and electrical & computer engineering, graduating near the top of his class, and has moved from full-stack engineering in the Hellenic Army to applied research roles and threat-focused work. Equally at home scripting bots on Linux and debugging in Windows, he thrives on CTFs, weekend projects and community Q&A—evidenced by an active GitHub and Stack Overflow presence and a peer-reviewed publication on DBLP. Known for picking up new languages fast, he brings a curious, hacker-informed approach to building resilient, auditable systems for complex, regulated environments.
10 years of coding experience
3 years of employment as a software developer
Master of Science, Digital Systems Security, 9.92, Master of Science, Digital Systems Security, 9.92 at University of PiraeusBachelor of Science & Master of Science, Electrical and Computer Engineering, 7.78, Bachelor of Science & Master of Science, Electrical and Computer Engineering, 7.78 at Technical University of Crete / Πολυτεχνείο Κρήτης
Stackoverflow
3,592reputation
228kreached
153answers
0questions
javascript
top-5%
html
top-5%
jquery
top-5%
Github Skills (200)
lan10
postgresql10
gogs10
csrf10
portainer10
firefox-addon10
security10
gradio10
deep-learning10
image-generation10
docker-container10
dockerfile10
php-library10
flask10
javascript10
Programming languages (14)
Github contributions (5)
GramThanos/captive-portal
Jun 2020 - Jul 2020
A simple captive portal that uses iptables and python's BaseHTTPServer
Contributions:44 commits, 31 pushes in 1 month
captive-portaliptablespython
GramThanos/jsStorage
Dec 2016 - Aug 2017
Contributions:13 commits, 12 pushes, 1 branch in 8 months
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.