Journalists use #Signal to talk to sources and share tips safely. The app helps protect privacy, but #journalists are often targets. To stay safe, they should secure their Signal account. This article explains how. The tips are also useful for ordinary users.

https://freedom.press/digisec/blog/locking-down-signal/

Locking down Signal

Also available in Spanish.

Freedom of the Press
@librarianbe ..or they could instead use a messenger that is decentralized, really open source and doesn't require a phone number.
@cos @librarianbe Signal is literally *the* gold standard in encrypted messaging (and yes, it's open source). It's almost like you want to get journalists compromised and killed.

@chiraag @cos @librarianbe

Signal also doesn't require a phone number these days. You can use a username instead.

@passenger @cos @librarianbe I believe it still requires a number for registration, but you can hide it from being searchable and give out a username.