> Don't trust incoming calls, text messages or emails. > Don't trust caller ID on your phone. And if you're anyone of moderate fame, importance or cryptocurre

> Don't trust incoming calls, text messages or emails. > Don't trust caller ID on your phone. And if you're anyone of moderate fame, importance or cryptocurrency holdings, call back using a phone other than the one you received the call from. SS7 attacks remain relatively cheap , and redirecting an outgoing phone call placed to a phone number they know you're likely to call next is within the realm of feasible attacks.