WooYun

WooYun

WooYun was a popular Chinese cybersecurity community and bug bounty platform primarily focused on security researchers and white-hat hackers. Established in China, it served as a platform where security professionals could report vulnerabilities and collaborate on cybersecurity issues. WooYun gained widespread recognition for its role in facilitating responsible disclosure of security flaws, and it was instrumental in uncovering numerous significant vulnerabilities affecting various Chinese and international companies.

The platform was known for its open and collaborative environment, providing a space for hackers, security researchers, and organizations to connect, share information, and address security concerns. WooYun's prominence declined around 2016–2017, with some reports suggesting internal issues and the eventual shutdown of the platform. Despite this, it remains a notable part of the cybersecurity history in China and the broader hacking community.