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Christos Dimitropoulos

Penetration Tester

Kalamaria, Thessaloniki, Greece
📧 christos_dimitro@outlook.com
Date of Birth: 10/12/2007

Summary

Started exploring cybersecurity at age 12 and evolved into a skilled penetration tester with 6 years of hands‑on experience. I have successfully reported and disclosed vulnerabilities to 30+ international organizations, earning multiple Hall of Fame listings, formal letters of appreciation, and bug bounty rewards.

Skills

Web Application Penetration Testing

Mobile Application Penetration Testing

Network Penetration Testing

Social Engineering

Exploitation

Post-Exploitation

Professional Experience

Independent Security Researcher

2021 - 2026

Reported vulnerabilities across high-profile organizations and companies, including:

NASA

United Nations

European Union

Mastercard

Sony

Lenovo

Coca-Cola

Adidas

Ford

Vodafone

Tencent

UK Government

UK Ministry of Defence

Dutch Government

Dutch Tax Administration

Municipality of Thessaloniki

Avast

IKEA

Received:

Multiple Hall of Fame listings.

Multiple appreciation letters and recognition gifts.

Several financial rewards for impactful findings.

Trophy received for exceptional contribution.

Volunteer Experience

Phishing Analysis

2023 – 2024

Analyzed major phishing campaigns targeting Greek users
Identified attacker domains, structure, and phishing infrastructure
Contributed to shutting down malicious pages and preventing victims

Education

International Hellenic University

2025 - 2029

Organization Management, Marketing & Tourism

6th Lyceum of Kalamaria

2022 - 2025