Y Combinator Security

For security issues with Hacker News, please visit https://news.ycombinator.com/security.html.

Y Combinator considers the security of our systems and applications to be of the utmost importance.

Reporting Security Vulnerabilities

Y Combinator welcomes input from the security research community. Through responsible disclosure we hope to improve the security of our applications and user data. To that end, we encourage security researchers to notify us of any potential vulnerabilities uncovered to security@ycombinator.com. Reports received through this channel should receive a prompt reply and if you do not receive a timely response we ask that you please attempt to contact us again. To protect our users we also request that you please refrain from sharing information about any potential vulnerabilities with anyone outside of YC. Once we have confirmed the vulnerability and mitigation we hope that you will join us in an announcement.

Exclusions

While researching, we'd like to ask you to refrain from:

• Denial of service
• Spamming
• Social engineering (including phishing) of Y Combinator staff or contractors
• Any physical attempts against Y Combinator property or data centers

Bug Bounties

We do pay bug bounties at our discretion for significant vulnerabilities responsibly disclosed.

Thanks!

Thanks to the following people who have discovered and responsibly disclosed security holes in Y Combinator software.