Onur Duman
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Onur Duman Email & Phone Number

Senior Cyber Security Incident Responder at Turkcell
Location: Istanbul, Turkey 7 work roles 2 schools
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✓ Verified August 2026 3 data sources Profile completeness 100%

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Current company
Role
Senior Cyber Security Incident Responder
Location
Istanbul, Turkey
Company size

Who is Onur Duman? Overview

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Quick answer

Onur Duman is listed as Senior Cyber Security Incident Responder at Turkcell, a with 10449 employees, based in Istanbul, Turkey. AeroLeads shows a matched LinkedIn profile for Onur Duman.

Onur Duman previously worked as Senior Cyber Security Analyst at Turkcell and Cyber Security Analyst at Turkcell. Onur Duman holds Master Of Business Administration - Mba from Bahcesehir University.

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Email format at Turkcell

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Turkcell

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Profile bio

About Onur Duman

Onur Duman is a Senior Cyber Security Incident Responder at Turkcell. He possess expertise in mikrodenetleyiciler, proteus, microsoft office, red hat linux, pl/sql and 5 more skills.

Listed skills include Mikrodenetleyiciler, Proteus, Microsoft Office, Red Hat Linux, and 6 others.

Current workplace

Onur Duman's current company

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Turkcell
Turkcell
Senior Cyber Security Incident Responder
turkey
Website
Employees
10449
AeroLeads page
7 roles

Onur Duman work experience

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Senior Cyber Security Incident Responder

Current

*Develop anomaly detection and incident response processes with artificial intelligence.*Document, report, and share detailed information about cybersecurity incidents with management.*Identify lessons learned and improvement opportunities from cybersecurity incidents and use this knowledge to strengthen the security infrastructure.*Classify, prioritize, and implement emergency response plans for attacks.*Respond swiftly and effectively to cybersecurity incidents to minimize their impact.

Feb 2024 - Present

Senior Cyber Security Analyst

Turkey

*Leading the team *Enhancing the performance of other security analysts*Organizing internal training sessions to continually strengthen the knowledge and skills of the security team.*Leading the alignment efforts with the MITRE ATT&CK framework.

Aug 2023 - Feb 2024

Cyber Security Analyst

*Conducting Use Case studies*Creating runbooks for responding to cyber incidents*Developing SOAR playbooks and process automations (XSOAR)*Analyzing the details of cyber threats on security products (IPS/IDS, AV, EDR)

Aug 2022 - Aug 2023

Associate Cyber Security Analyst

*Utilize security event monitoring tools for 24/7 real-time monitoring and analysis of security threats.*Analyze security events in real-time to detect system and network security threats.*Use Security Information and Event Management (SIEM) systems to monitor and manage security infrastructure.*Implement emergency response plans to quickly respond to security threats and classify incidents.*Cyber threat intelligence and analysis*Analyzing phishing attacks

Sep 2021 - Aug 2022

System Support Officer

*Managed server setup and management tasks (Linux/Windows)*Established virtualization infrastructure*Installed databases*Managed backup processes *Oversaw Active Directory services management*Ensured operational continuity through regular system maintenance

Aug 2020 - Aug 2021

Summer Intern

Ataşehir, İstanbul, Türkiye

I gained valuable experience in the field of database management. I undertook fundamental tasks such as setting up, configuring, and maintaining in-house database systems, ensuring the smooth operation of databases. I enhanced my skills in writing SQL queries and monitoring database performance. Additionally, I acquired significant knowledge in data security and backup processes.Through this experience, I was able to apply theoretical knowledge of database management in real-world scenarios. I actively participated within the team, honing my collaboration skills and gaining experience in time management

Jul 2019 - Sep 2019
Team & coworkers

Colleagues at Turkcell

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2 education records

Onur Duman education

FAQ

Frequently asked questions about Onur Duman

Quick answers generated from the profile data available on this page.

What company does Onur Duman work for?

Onur Duman works for Turkcell.

What is Onur Duman's role at Turkcell?

Onur Duman is listed as Senior Cyber Security Incident Responder at Turkcell.

Where is Onur Duman based?

Onur Duman is based in Istanbul, Turkey while working with Turkcell.

What companies has Onur Duman worked for?

Onur Duman has worked for Turkcell, Koçsistem, Migros Ticaret A.Ş., and Kon-Tek Automation.

Who are Onur Duman's colleagues at Turkcell?

Onur Duman's colleagues at Turkcell include Ahmet Turan İpek, Mustafa Kemal Gürel, Mert Eroglu, Kübra Gündüz, and Ferhat Akkaya.

How can I contact Onur Duman?

You can use AeroLeads to view verified contact signals for Onur Duman at Turkcell, including work email, phone, and LinkedIn data when available.

What schools did Onur Duman attend?

Onur Duman holds Master Of Business Administration - Mba from Bahcesehir University.

What skills is Onur Duman known for?

Onur Duman is listed with skills including Mikrodenetleyiciler, Proteus, Microsoft Office, Red Hat Linux, Pl/Sql, Sql, C, and Java.

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