How to Send Text Messages Securely

So we get a text message. You have no idea what's going on, but you get a notification find up, right? And this is actually a very nice way you can extend that to even getting a phone call. Because like you can get a second factor via voice call, right? So Microsoft, Twitter, GitHub, they can call you if you just select proper things in C URL and multiple applications use that which is abusing the service of using. But okay, it's not like a binary thing. I mean, you get a two factor or text message. The only information is that you've got a text message because you have the code in there, right? Or I add