Mateusz Nalewajski
Senior Manager Global Threat Defense
Warsaw, Masovian Voivodeship, Poland
Summary
👤
Senior🎓
Top SchoolMateusz Nalewajski is a cybersecurity leader with nearly a decade of hands-on experience building and directing threat defense and cyber intelligence programs across financial services and global enterprise, now leading Global Threat Defense at PepsiCo. He progressed from PwC consulting into senior security roles at Alior and Bank Millennium, combining technical telecommunications training with a finance/accounting background to bridge risk, technology, and business priorities. Known for operationalizing threat intelligence into protective controls and incident response, he brings practical experience scaling security in regulated, high‑availability environments. Based in Warsaw, he pairs analytical rigor from dual degrees with a track record of translating complex threats into actionable, board‑level metrics.
9 years of coding experience
5 years of employment as a software developer
Bachelor’s degree in Finance and Accounting, Corporate Finance, Accounting, Bachelor’s degree in Finance and Accounting, Corporate Finance, Accounting at Warsaw School of EconomicsBachelor’s degree in Telecommunications, Information and Communication Technologies, Bachelor’s degree in Telecommunications, Information and Communication Technologies at Warsaw University of Technology
Polish, English
Github Skills (25)
mesh10
rp204010
firmware10
gps10
gophish10
security10
lora10
esp3210
golang10
phishing10
nrf5210
web-frontend9
malware8
linux8
penetration-testing8
Programming languages (7)
Github contributions (5)
m1nl/pompa
Oct 2018 - Jan 2023
Fully-featured spear-phishing toolkit - web front-end
Contributions:625 commits, 332 PRs, 581 pushes in 4 years 3 months
phishingweb-frontend
m1nl/meshtastic-firmware
Apr 2025 - Jun 2026
This repository contains the official firmware for Meshtastic, an open-source, off-grid mesh communication system.
Contributions:58 pushes, 7 branches in 1 year 1 month
firmware
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