IssueHunt, Inc.

Based in Japan, IssueHunt, Inc. specializes in providing a domestic bug bounty platform that empowers businesses to enhance their cybersecurity through vulnerability assessments conducted by ethical hackers. Founded in 2014, IssueHunt, Inc. operates from Tokyo, Japan, offering a performance-based bug bounty program aimed at improving cybersecurity.

The company's operations have remained consistent, focusing on serving clients in Japan while gradually looking toward international opportunities. Founders Junyoung Choi and Kazz Yokomizo lead the company, with Kazz Yokomizo also serving as CEO. IssueHunt has successfully raised JPY 350. 000 mn through its Series A funding, led by KUSABI and supported by Adlib Tech Ventures, Globis Capital Partners, and coconala Skill Partners, marking a significant milestone in their financial journey.

The company has engaged in three funding deals, with the most recent on April 9, 2025, obtaining a total amount raised of JPY 350. 000 mn. IssueHunt operates a domestic bug bounty platform that connects companies with a global network of skilled ethical hackers. This performance-based service allows organizations to identify and rectify vulnerabilities, enhancing their security posture.

Clients incur costs only upon successful identification of vulnerabilities, making it an efficient and economical solution suitable for both emerging ventures and established enterprises. The company generates revenue by charging clients based on successful vulnerability identifications, utilizing a reward system tied to the severity of each reported issue. This model eliminates upfront fees and long-term contracts, providing an attractive proposition for businesses seeking to improve their cybersecurity defenses. The focus on immediate feedback and risk mitigation positions IssueHunt as a vital partner for organizations in a dynamic digital landscape.

With the recent funding of JPY 350. 000 mn secured in April 2025, IssueHunt plans to expand its operations by investing in personnel recruitment and technology development. This growth strategy not only aims to enhance their existing service offerings but also to explore new markets beyond Japan, targeting international expansions that align with their expertise in vulnerability assessments. The funding will facilitate the recruitment of skilled professionals and the development of innovative technologies to bolster their service capabilities.