The New Yorker magazine just launched Strongbox, a whistleblower submission system that’s hosted on a hidden website. There’s only one way to access the hidden site on a phone or tablet, and that’s with Guardian Project's Orweb app.
Here’s a simple breakdown of how to do securely and anonymously blow the whistle, explained in this interactive tutorial: https://guardianproject.info/howto/strongbox
For more information on these apps, please visit https://guardianproject.info For more information on Strongbox, please visit http://deaddrop.github.io & http://www.newyorker.com/strongbox