Trillions of text messages are sent and received via SMS-enabled devices every day, but have you ever stopped to ask, “What is SMS, exactly?” One of the oldest forms of mobile messaging, SMS messages ...

Few other communication tools have as much reach as SMS. While we might only sporadically check emails and instant messages ...

SMS and RCS are communication protocols. While SMS relies on simplicity and ubiquity, RCS offers major feature upgrades in every other area. SMS is limited to short and plain texts, while RCS lets you ...

What does “Sent as SMS via server” mean? This “Sent as SMS via server” message primarily pops up on Android smartphones when the person you are about to text is no longer connected to RCS. RCS ...

At Black Hat, a research duo from FYEO demonstrate a technique they call smishmash to prove that using text messaging for your second factor is very risky. When the IBM PC was new, I served as the ...