Tangent: I used to work for a Telecom S/W company a decade ago, SMS/MMS/USSD products. We were privy to SMS/MMS exchanged between customers. PKI is a must thes

Tangent: I used to work for a Telecom S/W company a decade ago, SMS/MMS/USSD products. We were privy to SMS/MMS exchanged between customers. PKI is a must these days. Albeit, anything that connects to internet now can be monitored in some way or the other, no?