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Mehmet Eren Buyru

Cybersecurity Executive & CISO

Skills

IT Risk Management Expert
Penetration Testing Expert
Computer Networking Expert
Information Technology Expert
Cybersecurity Expert
Cloud Computing Intermediate
Secure DevOps Controls Advanced
DevOps Processes Intermediate

Work Experience

May 2023 – Present

Cyber Security, Executive (CISO)

Edenred Logo Edenred Turkey

  • Own enterprise security strategy and execution roadmap aligned to business priorities, risk appetite, and regulatory expectations.
  • Lead vulnerability, incident readiness, and security operations governance with clear KPIs, reporting, and continuous improvement.
  • Partner with engineering and product teams to embed DevSecOps controls (secure SDLC, CI/CD guardrails, cloud hardening) and reduce delivery risk.
Sep 2022 – Apr 2023

IT Advisory, Senior Manager

KPMG Logo KPMG Turkey

  • Directed multi-client cybersecurity and GRC engagements, translating complex risks into executive decisions and actionable plans.
  • Led ISO 27001 / ITGC / SOX-oriented programs, strengthening governance, evidence readiness, and audit outcomes.
  • Mentored teams, improved delivery quality, and established repeatable assessment methods across sectors and environments.
Jun 2021 – Sep 2022

IT Advisory, Manager

KPMG Logo KPMG Turkey

  • Managed security assessments and transformation workstreams across cloud, infrastructure, and application domains.
  • Built pragmatic remediation roadmaps and supported stakeholders through implementation and validation cycles.
  • Delivered board/executive-ready reporting with clear prioritization, residual risk, and measurable progress.

Education

2015 - 2016

Mobile Computing and Communication Networks - Post Grad

Leeds uni Logo University of Leeds

United Kingdom, Leeds

2010 - 2015

Computer Engineering - B.E.

Bilgi uni Logo Istanbul Bilgi University

Turkey, Istanbul

Certificates & Trainings

Technical Certificates

ITIL Foundation

CompTIA Security+ (Sec+)

ISO/IEC 27001 LA

ISO/IEC 22301 LA

UIPath Certified RPA Developer

TSI Certified Senior Pentest Professional
(TSE Kıdemli Sertifikalı Sızma Testi Uzmanı)

SAS Enterprise Guide 1

Adobe Photoshop and Dreamviewer Certificate

Microsoft Office Products

Presidency of the Republic of Turkey
Digital Transformation Office Certified Auditor
(CB DDO Denetçisi)

Language Certificates

IELTS certificate

Goethe Institute German Language Certificate (A2)

Trainings

Certified Ethical Hacker(CEH) v11 Training

UiPath Academy Trainings - Certified (2018)

Advanced Infrastructure Hacking - BlackHat EU17

LSE Summer School – Global Young Leaders (2007)

SuperCamp Turkey ITU (2009)

Arduino Programming

Computer Programming

Projects Contributed

Cybersecurity Operations Management & DEVSECOPS Coordination for Turkey BU

In my current role at Edenred, I oversee the cybersecurity operations for the Turkey Business Unit (BU), ensuring the security of the organization's key assets and infrastructure. I lead initiatives to safeguard sensitive data and enhance the security architecture, while also driving cross-functional collaboration with different departments.

Additionally, I am responsible for coordinating the integration of DEVSECOPS practices into the development pipeline, fostering a culture of continuous security, and empowering development teams to proactively identify and mitigate security risks at every stage of the software lifecycle.

Penetration Testing Projects

Planned, scheduled, and completed penetration testing and vulnerability assessment projects for many sector-leading firms. Also, assisted KPMG Turkey with cybersecurity hardening and assessments.

WAF and Load Balancer Configuration and Management on Cloudflare and F5 (Silverline & XC) Platforms

Configured and managed Web Application Firewalls (WAF) and load balancers on the several platforms to enhance security and optimize performance for client websites.

Kubernetes Security Controls Checklist Preparation and Implementation

Prepared and implemented security control checklists for Azure Kubernetes environments, following best practices to secure containerized applications and services.

Contact

Address
Istanbul, Turkey
Email
[email protected]
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