ssrf.dev
yagihash

Yu YAGIHASHI

八木橋 優

Security Engineer · Tokyo, Japan

Expertise

  • Application Security
  • Fraud Prevention
  • Trust & Safety
  • Authentication & Identity
  • Risk Management

Career

  • 2025 – 10X, Inc.
  • 2018 – 2025 Mercari, Inc.
  • 2015 – 2017 NRI SecureTechnologies, Ltd.

Education

Keio University — Faculty of Environment and Information Studies, graduated 2015

Languages

  • Japanese — Native
  • English — CEFR B2