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Technology

Disclosing a Security Vulnerability

Some of you are coming here from a site where this blog was apparently featured as an example of how to exploit a security vulnerability. I won’t link to it, because what that individual did was irresponsible, but it gives me the opportunity to hopefully educate some people.

There are many ways to disclose a security vulnerability, but the only right way and the only responsible way is to do it privately. If you publicly disclose a security vulnerability, you have made the world aware of both its existence and how to exploit it, endangering thousands (perhaps millions) of unsuspecting users. You are not the hero when you publicly disclose a security vulnerability, you’re the villain.

Many developers and companies have multiple ways to contact them privately. If you have found a security vulnerability, contact the developer or company privately via their official security report system or any private contact method you can find. If you can’t find one, contact them publicly and ask them to get in touch with you because you have found a security vulnerability. Any good developer or company will reply immediately via a private channel. Once you have privately disclosed the vulnerability, give them a few days to resolve the issue while it’s still known only to you, and feel free to publicly disclose it once the security vulnerability has been removed.

Be responsible by disclosing security vulnerabilities privately, not publicly.