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< Cyber Security & Digital Forensics />

EREN ONDER

I'm a

I'm Eren ONDER, a Junior Cyber Security Specialist working actively across offensive and defensive cybersecurity.

As a CTF competitor, organizer, instructor and researcher, I pursue a career that is both technically deep and gives back to the community — from national projects and published research to seminars and large student communities.

Eren ONDER
// education

Education

2022-2026
University of Firat
Digital Forensic Engineering, Technology Faculty
// capabilities

Skills

🛡️

Security & Forensics

Splunk
Qradar
Penetration Testing
Digital Forensics
Network Analysis (Wireshark)
Reverse Engineering
Email Analysis
💻

Programming

Python
C#
C++
Bash / Linux
JavaScript
🔬

Soft Skills

Active Learning
Creative Thinking
Communication
Leadership
// work

Experience

03/2026 - Now
Associate Cyber Security Analyst
iGA Istanbul Airport · Istanbul, Turkey
Current

Associate Cyber Security Analyst

  • Monitor and triage security alerts within the SOC L1 team, analyzing network traffic across EDR, XDR, BEAMSEC, ESA, and SIEM platforms

  • Detect and classify threats including phishing, malware, and brute-force/unauthorized access attempts

  • Contribute to the refinement of detection rules and triage procedures


SOCEDR/XDRSIEMThreat Detection
09/2025 - 01/2026
Intern
OnBT · Istanbul, Turkey

Cyber Security - Intern

  • Monitored and analyzed security events using QRadar SIEM and Trend Micro Vision One (XDR), supporting network security operations

  • Conducted vulnerability assessments and threat analysis across both offensive (red team) and defensive (blue team) exercises

  • Contributed to identifying and reporting security gaps within the organization’s network infrastructure


Cyber SecurityNetwork SecurityThreat AnalysisVulnerability Assessment
07/2025 - 08/2025
Intern
Turkish Technology · Istanbul, Turkey

Network Management - Intern

  • Analyzed and evaluated security architectures within Turkish Airlines’ corporate network infrastructure

  • Contributed to Proof of Concept (PoC) studies for the protection of critical systems

  • Detected, classified, and reported security incidents through SIEM solutions


SIEMSecurity ArchitectureIncident ResponsePoC
// community

Volunteer Work

12/2023 - 09/2025

Chairman

Cybersecurity Community · Fırat University, Turkey
500+ Members
12/2023 - 07/2025

Event and Organization Coordinator

Cyber Anatolia Communities · Turkey
35+ University Clubs
08/2023 - 12/2023

Event and Organization Coordinator

Google Developer Student Club · Firat University, Turkey
Tech Community
// credentials

Certifications

Certified Social Engineering Defense Practitioner (CSEDP)

The SecOps Group
February 2026 Verify

Certified Network Security Practitioner (CNSP)

The SecOps Group
July 2025 Verify

Pre Security

TryHackMe
July 2025 Verify

CCNA: Introduction to Networks

Cisco Networking Academy
January 2024 Verify

CCNA: Introduction to Cybersecurity

Cisco Networking Academy
November 2023 Verify

NDG Linux Unhatched

Cisco NetAcad
November 2023
// timeline

Activity

April 5, 2025
CTF Organizer, ABMCTF
🎯 CTF Organizer

Served as an organizer for the ABMCTF competition. Designed 30+ cybersecurity challenges across five categories to educate and challenge participants.

December 31, 2024
Cybersecurity Seminar, Ahmet Kabaklı Science High School
🎤 Conference

Delivered a seminar on cybersecurity and digital forensics engineering to high school students, focusing on raising awareness about digital threats.

December 28, 2024
1st Place, HacktorX CTF
🏆 CTF

Led our team to victory in the HacktorX CTF competition by solving challenges in cryptography, network, web, OSINT, and reverse engineering.

December 20, 2024
Red Team Bootcamp & CTF Training, Fırat University
🎓 Training

Organized and instructed advanced-level CTF training, covering multiple categories and hosting a mini competition.

July 3, 2024
3rd Place, ABMCTF
🏆 CTF

Competed in the 3rd ABMCTF Capture The Flag contest, solving complex cybersecurity challenges with our team “Black Team.”

May 24, 2024
CTF Training Instructor, Code Night Event
🎓 Training

Provided hands-on CTF training on Cryptology, Web, Network, and OSINT during a night-long event for students and cybersecurity enthusiasts.

May 2–4, 2024
Published Paper, IIC2024 Conference
📄 Research

Presented and published a paper titled “Real-Time Human Recognition With Random Forest Algorithm Using Gait Biometrics Images” at the 3rd International Informatics Congress.

April 23, 2024
3rd Place, HAVELSAN Hackathon (HAVELSAN EKSPRES)
🏅 Hackathon

Developed an AI-based Intrusion Detection System “Cyber MAIN” during a 4-day hackathon train journey. Awarded 3rd place among 26 university teams.

March 27, 2024
Cybercrime Awareness Conference, Fırat University
🎤 Conference

Organized a seminar in collaboration with the Cyber Crimes Unit, focusing on social engineering, phishing, and safe internet use.

March 12, 2024
Cybersecurity Awareness Seminar, Yöntemim Schools
🎤 Conference

Held an engaging seminar on digital forensics and cybersecurity for high school students, including live demonstrations of cyber attack scenarios.

January 1, 2024
TÜBİTAK 2209-A Project Recipient
📄 Research

Received national support for a project titled “AI-based Gait Biometrics for Person Identification in Forensic Cases.” Reached the semi-final stage in the 2023/2 term.

June 25, 2023
2nd Place, ABMCTF
🏆 CTF

Secured 2nd place in the 2nd ABMCTF Capture The Flag competition by solving challenges across various cybersecurity domains.

// portfolio

Projects

Fake Extension Builder

Fake Extension Builder

This project is a lightweight utility developed to obfuscate .exe file extensions by inserting the Braille Pattern Blank character (Unicode U+2800) …
C#Unicode ObfuscationSecurity Research
See Project
⚠ Academic Use Only Ryuk Ransomware

Ryuk Ransomware

This project was developed to safely simulate and analyze how real-world ransomware operates within a controlled environment. Written in C#, this …
C#AES EncryptionMalware Simulation
See Project
Web 3.0 Cryptocurrency Transfer Site

Web 3.0 Cryptocurrency Transfer Site

I developed an application leveraging Web 3.0 technologies that enables users to securely and swiftly transfer cryptocurrency on the Ethereum network …
EthereumMetaMaskWeb3.jsSolidity
See Project
// contact

Get in Touch

Istanbul, Turkey 🇹🇷