We are aware of recent reports regarding targeted phishing attacks that have resulted in account takeovers of some Signal users, including government officials and journalists. We take this very seriously.

To be clear: Signal’s encryption and infrastructure have not been compromised and remain robust. These attacks were executed via sophisticated phishing campaigns, designed to trick users into sharing information – SMS codes and/or Signal PIN – to gain access to users’ accounts.

@signalapp These attacks wouldn't be possible if you stopped requiring phone numbers
@scathach @signalapp You can just turn off discovery by phone number and never get a spam message again: https://support.signal.org/hc/en-us/articles/6712070553754-Phone-Number-Privacy-and-Usernames#pnp
Phone Number Privacy and Usernames

Here are features to make your phone number more private on Signal. As a new default, your phone number will no longer be visible to everyone in Signal. You can opt to display your phone number. H...

Signal Support