Pic credit: Pexels|Artur Stec By Surya Narayana Mallik, Software Developer, Shreyas Webmedia Solutions May 9, 2025: As Low-Power Wide-Area Networks (LPWAN) become the backbone of modern IoT deployments, two leading contenders—Cellular IoT (NB-IoT, LTE-M) and LoRaWAN—are powering everything from smart cities to industrial automation. However, with billions of constrained, often unattended devices transmitting sensitive data, …