Incidents of cyber fraud are on the rise. TRAI has mandated telecom companies to add a suffix to SMS messages. Here is what this suffix means.

So what’s wrong with SMS codes? Are they really unsafe? And if they are, what can we use instead? SMS codes are really just one form of what’s called “two-factor authentication,” or 2FA.

What is SMS? SMS, which stands for short message service, is a form of text messaging that allows a message to travel across mobile phones using cellular networks almost instantly.