https://motherboard.vice.com/en_us/article/a37pp4/how-to-securely-contact-motherboard

Do you have a tip you think we should chase? Do you have a sensitive document that you believe should be published? Do you have information that needs to get out?

Here at Motherboard we offer several ways for you to send us information securely and anonymously. We treat the security and confidentiality of our sources as a top priority, so we want to make sure you know what channel is best to protect yourself, and how to use it correctly.