Seongeon Hong

NTT Docomo

Product service department - Support for the development, deployment, and operation of security systems Email: s.hong@ntt.com

2019-2021 M.Eng., Information Security Engineering, Nara Institute of Science and Technology (Japan).

2015–2018 B.Sc., Economics and Finance, University of Amsterdam (The Netherlands).

CISSP (2025.01 ~)
ATT Training from NF labs (2024.07 ~ 2025.01)
Bootup Training from NF labs (2024.05 ~ 2024.07)
CompTIA Pentest+ (2024.02 ~)
CompTIA Security+ (2023.12 ~)
Azure Administrator Associate (2023.06 ~)
Azure AI fundamentals (2022.08 ~)
Azure Fundamentals (2022.05 ~)

(Ex NTT Communications) Information Security Department / Security Management Office

Responsible for security operations, incident response, log analysis, and security tool enhancement within the Security Operation Center (SOC).
Developed a system using Azure Sentinel Playbook and Logic Apps to automatically generate incident tickets in ServiceNow (SNOW).
Integrated Microsoft Copilot with the ticketing system to auto-generate incident overviews, reducing investigation time for initial incident triage.
Participated in an Advanced Security Engineer training program (NF Labs), covering comprehensive cybersecurity knowledge and hands-on exercises.
Engaged in penetration testing during on-the-job training (OJT), creating educational materials for OSINT and developing a vulnerable Windows VM for hands-on practice.

(Ex NTT Communications) Global Datacenter Service Department / Development Team

Worked in both front-end and back-end development teams within a global business context, primarily collaborating with remote teams in India.
Led a UI redesign project involving a team of three developers (2 from India, 1 from Japan), using Backlog for task management and conducting bi-weekly sprint retrospectives.
Transitioned to the back-end team, where I utilized Azure Cloud for server management, gained experience in network architecture, and secured data using Key Vault, Network Proxy, and Tunneling.
Developed using TypeScript and managed data with PostgreSQL; utilized Kubernetes and Docker for development environments.

Infrastructure System R&D Team / Research Intern

Improved encryption module performance using FPGA technology, achieving a 40% speed increase in encryption calculations.
Developed an HMAC-SHA256 algorithm module in C for FPGA-based encryption processing, facilitating faster data encryption by offloading computations to the FPGA.