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 ...

Rahul Naskar has years of experience writing news and features related to Android, phones, and apps. Outside the tech world, he follows global events and developments shaping the world of geopolitics.

This is your signal to invest in secure messaging. After The Atlantic’s editor-in-chief, Jeffrey Goldberg, was mistakenly added to a Signal group chat involving top White House officials, it begs the ...