George Nădejde · Cyber Security

george@kali:~$

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Cyber Security Professional

george@kali:~$

"Protecting the Digital World — One System at a Time"

george@kali:~$

location Nijmegen, Netherlands

status OPEN TO OPPORTUNITIES

current MSc Cyber Security @ Radboud University

george@kali:~$ █

Explore Profile Get In Touch

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$ cat about.md

About Me

Diligent and ambitious cyber security professional eager to learn how systems work and interact with each other. I tackle challenges with curiosity and a problem-solving mindset, continuously seeking innovative solutions and growth opportunities.

My passion for cyber security inspires me to explore new ways of securing our digital environment through platforms such as TryHackMe and Hack The Box.

I'm now looking for my next challenge — waiting impatiently to hack my way into a new role where I can prove my skills and knowledge.

🔐 Penetration Testing 🔬 Reverse Engineering 🧬 Digital Forensics 🛡️ Hardware Security 🌐 Network Security 🔑 Cryptography

0 /10 BSc GPA
Cum Laude 0 Courses
Assisted 119 Security Labs
TryHackMe Top 2% Global Ranking
TryHackMe

$ ls -la ./experience/

Experience

Sept 2025 – Feb 2026 📍 The Hague, Netherlands

Intern — Digital & Biometric Traces

Netherlands Forensic Institute (NFI)

Investigated what relevant digital information is left in vehicle infotainment systems as a result of using Android Auto or Apple CarPlay. Combined automotive security knowledge with forensic analysis techniques.

Automotive Security Reverse Engineering Ghidra Frida Digital Forensics

Sept 2022 – Jan 2026 📍 Nijmegen, Netherlands

Student Assistant

Radboud University

Appointed by course coordinators to conduct weekly working groups, grade assignments and provide constructive feedback. Supported students across a wide range of computer science courses.

Operating Systems Security Networks and Security Processors Object Oriented Programming Imperative Programming Information Modelling & Databases Matrix Calculation Calculus & Probability Complexity

Mentorship Communication Time Management

Jan 2024 – June 2024 📍 Netherlands

Software Engineer

GipHouse

Designed and improved the Edufort's SIEM tool and privacy portal using Symfony and PHP, adhering to SCRUM principles. Responsible for Continuous Integration via GitHub Actions and implementing a dynamic dashboard connecting front-end data graphs to the database — enabling real-time, interactive visualizations of each user's privacy situation.

PHP Symfony SCRUM GitHub Actions CI/CD

$ nmap --skills george.nadejde

Skills & Arsenal

🔐

Cryptography

Expertise in deck function primitives, post-quantum cryptanalysis, and secure protocol implementation (IPSec/TLS).

Deck Functions (Farfalle/Xoodoo) Differential Cryptanalysis Authenticated Encryption (AEAD) Post-Quantum Cryptography Multivariate & Lattice-based Schemes Digital Signatures (Hash-Based/Fiat-Shamir) Zero-Knowledge Proofs Key management

🔬

Reverse Engineering & Forensics

Static and dynamic analysis of binaries, firmware, and mobile applications. Digital forensics of embedded and automotive systems.

Ghidra Frida Binary Ninja Binwalk x86 / ARM Assembly Firmware Extraction UART / SWD / JTAG Automotive Forensics Android Auto / CarPlay

⚔️

Penetration Testing

Network and web application security testing, vulnerability research, and offensive tooling.

Nmap BurpSuite Metasploit Wireshark JohnTheRipper SQLMap Gobuster dirb Hydra

💻

Programming

Systems and scripting languages used across security research, tool development, and academic work.

Python C / C++ Assembly Bash Powershell Java PHP SQL SageMath NumPy / SciPy Jupyter

🛡️

Hardware Security

Side channel analysis, fault injection, embedded systems analysis and hardware-level attack surfaces.

Side Channel Analysis Fault Injection Template Attacks Correlation Power Analysis Differential Power Analysis VHDL

🔧

Development & Tooling

Software engineering tools and workflows used in academic projects and professional internships.

Git / GitHub Docker GitHub Actions Linux PHP / Symfony HTML / CSS / JS Jekyll AWS NodeJS

Certifications

Reverse Engineering: Frida for Beginners

Udemy

Hands-on introduction to dynamic instrumentation using Frida — hooking functions, inspecting memory, and reverse engineering mobile and desktop applications.

Cyber Security 101

TryHackMe

A structured introduction to core cyber security domains — networking, Linux, web security, and defensive techniques.

Pre Security Learning Path

TryHackMe

Foundational cyber security concepts, tools and techniques.

Intro to Cyber

TryHackMe

Entry-level overview of the cyber security landscape, covering common attack types, career paths, and essential defensive concepts.

Linux Unhatched

Cisco Networking Academy

Foundational command-line skills and core knowledge of the Linux operating system.

Introduction to AI

Elements of AI · University of Helsinki

Broad introduction to AI concepts, applications, and societal implications — covering machine learning, neural networks, and AI ethics.

$ git clone --writeups george@github

Projects & Writeups

A collection of hands-on security work — CTF writeups, lab walkthroughs, and research notes organised by platform. Each entry documents my methodology, tools used, and key takeaways.

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TryHackMe Writeups

Room walkthroughs covering web exploitation, privilege escalation, forensics, reverse engineering and more. Each writeup documents the full attack chain with annotated screenshots.

Web Forensics Privesc Reverse Engineering

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HackTheBox Writeups

Writeups from HTB, covering network security, active directory attacks, and web application penetration testing fundamentals.

Active Directory Network Web App

🐧

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Bandit / OverTheWire

Writeups for OverTheWire's Bandit wargame — a Linux command-line challenge series.

Linux CLI

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Physical Attacks on Secure Systems

Implementations of CPA, Template Attacks on AES and Ed25519, Differential Fault Analysis on AES, and TVLA leakage assessment on masked implementations.

Side-Channel Analysis Cryptography Hardware Security AES

$ grep -r "education" ./george.json

Education

🟢 Ongoing

MSc in Cyber Security

Radboud University 2024 – Present · Nijmegen, Netherlands

Hardware Security Advanced Network Security Software Security Information Security Cryptology Applied Cryptography Reverse Engineering Side Channel Analysis Online Tracking and Privacy

✅ Completed

BSc in Computing Science

Radboud University 2021 – 2024 · Nijmegen, Netherlands

GPA 8.00 / 10 Cum Laude 🏆

Thesis: Improving AprèsSQI's cost model for verification

Optimized AprèsSQI — a NIST candidate for post-quantum signature standardization, by designing a more precise cost model for verification.