Profile
Independent cybersecurity consultant focused on SOC / CSIRT, EDR & XDR, financial-domain audits, AI governance, and Web3 security—engaged as a freelance practitioner on enterprise programs.
Name
Miyamura Yoichi
Based in
Tokyo, Japan
Focus
Security consulting / SOC & CSIRT / PM & PMO / bilingual (EN·JP) / AI
[ Contact ]
Miyamura Yoichi
Tokyo-based independent security consultant
Chuo University, Faculty of Policy Studies / study abroad at Western Michigan University / Eiken Grade Pre-1
| Name | Miyamura Yoichi |
|---|---|
| Based in | Tokyo, Japan |
| Focus | Cybersecurity / SOC & CSIRT / EDR & XDR / financial-domain audits / AI governance / Web3 security / PM & PMO (EN·JP) |
| Education | Chuo University, Faculty of Policy Studies / Western Michigan University (exchange) |
| Languages | Japanese / English (Eiken Grade Pre-1) |
| Contact | jlypcg@proton.me |
Selected Experience
Client names are withheld under NDA. Engagements span large enterprises, financial institutions, and global operating environments.
2025–2026 Financial domain — FSA / FISC / JVCEA readiness, audit support, frontier AI measures
2025–2026 SaaS — PM for generative-AI-assisted web product development
2025–2026 Financial domain — NIST-aligned security measure reviews
2025 Trading house — cybersecurity operations follow-up and overseas-site audit support
2025 Consumer goods — AI governance (Tokyo HQ), multi-region coordination, AI usage policy
2025 Global consumer goods — EDR / XDR deployment & SOC maturity (multinational)
2024–2025 Web3 — token economy / crypto platform requirements (~200-page specs) and security proposals
2024 Global logistics — security audits across ~20 local entities; digital-asset defense assessment (PMO)
2024 Securities firm — Web3 / NFT marketplace PoC (PM)
2023 University hospital — SAP / SSO system replacement (non-functional & security requirements)
Through 2017 Healthcare startup — COO (2nd employee / shareholder through funding rounds)
How I Work
— SOC / CSIRT operations support and audit response
— EDR / XDR deployment and tuning
— Financial-domain security measure reviews
— AI governance / AI usage policy
— Web3 / digital-asset security framing
— Multinational PM / PMO (EN·JP)
Approach
Not a firm pitch—hands-on independent consulting. Practice over theory. Confidential by default; clear and short when disclosure is needed.