diff --git a/README.md b/README.md
index 0c987ad..665b0e3 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,27 @@
-# IoTSecurity101
-From IoT Pentesting to IoT Security 
+# IoT Penetesting 101 && IoT security 101
+
+Approach Methodology 
+  
+  1. Network 
+  2. Web (Front & Backend and Web services)
+  3. Mobile App(Android & iOS)
+  4. Wireless Connectivity 
+  5. Firmware Pentesting(Hardware or IoT device OS)
+  6. Hardware Level Approach 
+
+
+
+## Contents
+<!-- START doctoc generated TOC please keep comment here to allow auto update -->
+<!-- DON'T EDIT THIS SECTION, INSTEAD RE-RUN doctoc TO UPDATE -->
+
+
+# Network
+
+#
+
+
+    - [Introduction to IOT](https://en.wikipedia.org/wiki/Internet_of_things)
+    - [IOT Architecture](https://www.c-sharpcorner.com/UploadFile/f88748/internet-of-things-part-2/)
+    - [IoT attack surface](https://www.owasp.org/index.php/IoT_Attack_Surface_Areas)
+    - [IoT Protocols Overview](https://www.postscapes.com/internet-of-things-protocols/