From Internet to SMS: Expanding Censorship to the Last Communication Channel

For years, opposition to the Islamic Republic’s censorship focused on blocked websites, social media, and messaging apps. But new evidence shows these restrictions now extend to text messages (SMS), one of the oldest and most dependable ways to communicate.  The discovery of a system for filtering and manipulating SMS messages reveals a new kind ofContinue reading “From Internet to SMS: Expanding Censorship to the Last Communication Channel”