The document: <a href="https://assets.documentcloud.org/documents/21114562/jan-2021-fbi-infographic-re-lawful-access-to-secure-messaging-apps-data.pdf" rel="nofollow">https://assets.documentcloud.org/documents/21114562/jan-2021...</a> (PDF)<p>> FBI's ability to legally access secure content on leading messaging applications<p>From the article:<p>Nine popular messaging applications are included in the document:<p>- Apple's iMessage<p>- Line, a Japanese message app<p>- Signal, an open source encrypted chat platform popularized by Edward Snowden<p>- Telegram, which originated in Russia and is now based in Dubai<p>- Threema, a paid encryption chat with servers based in Switzerland<p>- Viber, which was developed in Cyprus and then bought by the Japanese conglomerate Rakuten<p>- the Chinese Swiss army knife app WeChat<p>- Meta's WhatsApp<p>- and Wickr, which is a chat service that Amazon Web Services apparently owns<p>> The bottom line: of the most popular apps, iMessage and WhatsApp are particularly susceptible to FBI snooping. Telegram and Signal score far better according to the documents.