Signal’s claim to fame here is that they were subpoenaed in 2016 and could only supply account creation and last connection times: > The American Civil Liberties Union announced Tuesday that Open Whisper Systems (OWS), the company behind popular encrypted messaging app Signal, was subpoenaed earlier this year by a federal grand jury in the Eastern District of Virginia to hand over a slew of information—"subscriber na…
Is it possible that they could in fact produce this data but were prevented from publicly saying so due to a gag order? I'm asking specifically because I remember Private Internet Access, a VPN provider, also being tested in court in the past [1], and because of this I've chosen to trust them despite them falling under Five Eyes jurisdiction. [1] https://torrentfreak.com/private-internet-access-no-logging-...
https://signal.org/bigbrother/eastern-virginia-grand-jury/
In short, the ACLU helped them to lift the gag order, and the blog itself shows the legal documents. The documents show exactly the data returned (Account creation and last access in Unix millis). Only the phone numbers are still redacted.