Athanasios Grammatopoulos
Cybersecurity Officer at European Union Agency for Cybersecurity (ENISA)
Athens, Attica, Greece
Summary
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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)
gogs10
php-library10
browser10
firefox10
opera-extension10
snmp10
php10
lan10
portainer10
docker-container10
docker-compose10
mysql10
browser-extension10
jscalendar10
network10
Programming languages (14)
Github contributions (5)
GramThanos/NSFW-Image-Filter-Browser-Extension
Apr 2019 - Apr 2022
Cross browser extension that detects and blurs NSFW images
Contributions:12 commits, 12 pushes, 4 comments in 2 years 11 months
firefoxcross-browserbrowsercross-browser-extensionchrome
GramThanos/Jsdoku
Jun 2018 - Mar 2024
Contributions:5 pushes, 6 branches in 5 years 10 months
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