Signal recently released another grand jury subpoena which, as always, basically had nothing interesting to turn over in response. For the requested phone numbers they could only provide the account creation timestamp. https://signal.org/bigbrother/district-of-columbia/
Grand jury subpoena for Signal user data in the United States District Court for the District of Columbia

Signal end-to-end encrypts both content and metadata by default far beyond most of our peers. Our aim is to have access to as close to no data as possible, meaning that we have a fraction of the personal information compared to the average communications service. We simply don’t have access to th...

Signal Messenger
Signal's recent disclosure of how little it could share in response to a grand jury subpoena is pretty telling. Its defaults are very strong. But if you want to go further, we have a guide on really how to really maximize its privacy settings. https://freedom.press/digisec/blog/locking-down-signal/
Locking down Signal

Also available in Spanish.

Freedom of the Press

@mshelton

Also beruhigt hat mich diese Anleitung eher nicht.
Palantir reichen Metadaten, um Dich auf die Abschussliste zu setzen.
Denen ist es egal, was Du schreibst.
Und dann ist die Wahrscheinlichkeit sehr hoch, dass Du nie wieder etwas schreibst.