[amelius]

Is this based on Tor? Or are whistleblowers expected to use Tor on top of this?

[corobo]

> Each Source Interface is only available as a Tor Hidden Service, which is a special type of website with an address ending in ”.onion” that is only accessible through Tor. Tor is an anonymizing network that makes it difficult for anybody observing the network to associate a user’s identity (e.g. their computer’s IP address) with their activity (e.g. uploading information to SecureDrop).

From https://docs.securedrop.org/en/latest/source.html

[agd]

Whistleblowers are expected to use Tor to visit the specific secure drop address for the org in question.

[tyingq]

They have an onion address at the bottom of the page.

Then, the various guides, like for sources, suggest submissions are TOR only...