adding to the intro paragraph

Author: barclayn

articles/security/security-network-overview.md

@@ -13,14 +13,14 @@ ms.devlang: na
 ms.topic: article
 ms.tgt_pltfrm: na
 ms.workload: na
-ms.date: 09/17/2018
+ms.date: 09/19/2018
 ms.author: terrylan
 #Customer intent: As an IT Pro or decision maker I am looking for information on the network security controls available in Azure.
 
 ---
 # Azure network security overview
 
-Network security could be defined as the process of applying controls to network traffic to protect resources from access or attack by unauthorized entities. The goal is to ensure that only legitimate traffic has access. Azure includes a robust networking infrastructure to support your application and service connectivity requirements. Network connectivity is possible between resources located in Azure, between on-premises and Azure hosted resources, and to and from the internet and Azure.
+Network security could be defined as the process of protecting resources from unauthorized access or attack by applying controls to network traffic. The goal is to ensure that only legitimate traffic is allowed. Azure includes a robust networking infrastructure to support your application and service connectivity requirements. Network connectivity is possible between resources located in Azure, between on-premises and Azure hosted resources, and to and from the internet and Azure.
 
 This article covers some of the options that Azure offers in the area of network security. You can learn about: