Yusuf KAYA

Experience

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  KoçSistem

  Jan 2015 - Aug 2015

  IT Security Incident Management Specialist

  SOC (Security Operations Center) brand-new Infrastructure Installation, Managing and Designing security tools with monitoring and SIEM products

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  Ziraat Teknoloji A.Ş.

  Sept 2015 - Dec 2016

  Cyber Security Specialist

  Responsible of SOC related technologies(IBM Qradar, Splunk, Guardium and DLP)­Responsible of SIEM Replacement Project­Responsible of Network Packet Analysis Tools POC process­SIEM Incident Management and ResponseDevelop and deploy use casesAssist Internal and External Audit processes for Log Management

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  Yapı Kredi

  Dec 2016 - Aug 2024

  Responsible of Cyber Security Architecture including new infrastracture design and implementationManaging OPEX and CAPEX budget for projects and programsLeading of, Threat Detection, Log Management, Cyber Security Automations and Metrics Responsible of 7x24 Cyber Defense Center Reactive and Proactive Services including Threat Intelligence and Threat HuntingLeading of, Incident Response, Threat Intelligence Operations, Threat Hunting, Security Operation Center and Digital ForensicsReporting directly to CISO on Cyber Defense Center’s Metrics Responsible of SOC environment and technologies such as SIEM, Data Lake, UBA and SOARExperience with use case development and defense technics. Develop workflows with SOAR productHandling incident as Level 3 AnalystExperience with TTP's(Technics, Tactics, Procedures)Lead Log Management teamKnowledge of cyber security frameworks such as MITRE ATT&CK and Cyber Kill Chain.

  • Cyber Security Detection Architecture Unit Manager

    Jan 2023 - Aug 2024

  • Cyber Defense Center Unit Manager

    Aug 2021 - Jan 2023

  • Senior IT Security Incident Response Specialist

    Dec 2016 - Aug 2021
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  Hepsiburada

  Aug 2024 - now

  Head of Cyber Security