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Yoshinori Hayashi

LINE株式会社 / Application Security Engineer東京都

Yoshinori Hayashi

LINE株式会社 / Application Security Engineer

**最新のプロフィールについては、https://about.8ay.ac/ をご覧ください。**

github.com
Webアプリケーション脆弱性診断ガイドライン第1.2版
Mar 2022
github.com
GraphQL診断ガイドライン
Dec 2021
CVE-2018-17454
Found an Stored XSS on GitLab
CVE-2019-13010
Found an ReDoS on GitLab.

about.8ay.ac

LINE株式会社3 years

Application Security EngineerPresent

2021 - Present

* Working as a member of the Application Security Team * Ensuring the security and quality of a wide range services and products developed by LINE and group companies. Platforms and technologies include Web, mobile, desktop, IoT, Fintech, and more. * Reference: [Job description](https://line-careers.website.line-apps.com/jobs/168)

CVE-2022-22978
* Authorization Bypass in RegexRequestMatcher of Spring Security * Contributed to identifying the cause in resolving this issue, and was credited.
May 2022
LINE CTF 2022
Organized LINE CTF 2022 as a member of LINE AST(Application Security Team). / Made a web challenge. (Haribote Secure Note) / Reference: https://ctftime.org/event/1472/
Mar 2022

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