Shuji Ohira
Associate Security Consultant
Tokyo, Japan
Summary
👤
Senior🎓
Top SchoolShuji Ohira is an Associate Security Consultant at AWS Tokyo with eight years of experience bridging deep academic research and hands-on cloud security practice. He earned a Ph.D. researching cyber-physical system attacks and defenses—particularly voltage- and timing-based fingerprinting for in-vehicle CAN networks—and carried that expertise into AWS support roles troubleshooting complex security, identity, and compliance issues. Shuji designs and implements secure AWS architectures, SAML/OpenID Connect authorization schemes, and IaC-based privilege management to reduce operational burden. He is drawn to protocol and system boundary cases where low-level signals or trust-model subtleties produce unexpected behaviors, and he actively applies that mindset to harden real-world cloud deployments. Notably, his background spans kernel- and physical-layer indicators through to high-level identity fabrics, giving him a rare full-stack perspective on security.
8 years of coding experience
5 years of employment as a software developer
Doctor of Philosophy (Ph.D.), Graduate School of Science and Technology, 3.0, Doctor of Philosophy (Ph.D.), Graduate School of Science and Technology, 3.0 at Nara Institute of Science and TechnologyBachelor, Department of Information Engineering, Faculty of Information Science, 3.4, Bachelor, Department of Information Engineering, Faculty of Information Science, 3.4 at Hiroshima City University
Github Skills (7)
delay9
threshold9
fpga8
converter8
mixer8
remote-control7
pytorch5
Programming languages (3)
Github contributions (5)
shuji-oh/PLI_TDC_for_CAN
Apr 2020 - Dec 2022
"PLI-TDC: Super Fine Delay-Time Based Physical-Layer Identification with Time-to-Digital Converter for In-Vehicle Networks" ACM ASIACCS 2021
Contributions:61 commits, 14 PRs, 32 pushes in 2 years 8 months
remote-controldelayecufpgaconverter
shuji-oh/SecHack365.CarSecurity
Dec 2017 - Mar 2020
Contributions:15 commits, 10 pushes, 1 branch in 2 years 3 months
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