Riotaro OKADA
OWASP Japan chapter lead/ Asterisk Research, Inc.
Explained projects
codex-cli-hardening-cheatsheet: Building a Sandbox for the Future of Agency
Moving beyond "be careful" prompts to a zero-trust architecture for your terminal.
Inside `okdt/claude-code-hardening-cheatsheet`: The Policy Layer That Puts Claude Code on a Leash
A practical hardening template for Claude Code that turns agentic coding from “hope it behaves” into explicit least-privilege controls, sandboxing, and human checkpoints.