dates update and final changes

Author: tarTech23

articles/defender-for-iot/device-builders/TOC.yml

@@ -209,7 +209,4 @@
     href: https://azure.microsoft.com/pricing/details/azure-defender/
   - name: Videos
     href: https://azure.microsoft.com/resources/videos/index/?services=security-center&service=internet-of-things&page=1&sort=newest
-  - name: Agent-based solution for device builders
-    items: 
-  - name: Eclipse ThreadX Defender-IoT-micro-agent on Stack Overflow
-    href: https://stackoverflow.com/questions/tagged/azure-rtos+azure-iot-security-module
+  

articles/defender-for-iot/device-builders/concept-threadx-security-module.md

@@ -15,9 +15,9 @@ Defender-IoT-micro-agent for Eclipse ThreadX provides a comprehensive security s
 
 The Defender-IoT-micro-agent for Eclipse ThreadX runs in the background, and provides a seamless user experience, while sending security messages using each customer's unique connections to their IoT Hub. The Defender-IoT-micro-agent for Eclipse ThreadX is enabled by default.  
 
-## Eclipse ThreadX NetX Duo <!-- maybe FileX??-->
+## Eclipse ThreadX NetX Duo
 
-Azure RTOS NetX Duo is an advanced, industrial-grade TCP/IP network stack designed specifically for deeply embedded real-time and IoT applications. Azure RTOS NetX Duo is a dual IPv4 and IPv6 network stack providing a rich set of protocols, including security and cloud. Learn more about [Azure RTOS NetX Duo](/azure/rtos/netx-duo/) solutions.
+Eclipse ThreadX NetX Duo is an advanced, industrial-grade TCP/IP network stack designed specifically for deeply embedded real-time and IoT applications. Eclipse ThreadX NetX Duo is a dual IPv4 and IPv6 network stack providing a rich set of protocols, including security and cloud. Learn more about [Eclipse ThreadX NetX Duo](https://github.com/eclipse-threadx) solutions.
 
 The module offers the following features: