Dangling DNS! What it is and how to protect against the attacks!

In this video I explore a potential big issue for your organization, Dangling DNS and what you can do to protect and mitigate.

00:00 Introduction and custom DNS use
10:55 Dangling DNS problem
15:18 What we can do
16:26 App Service protections
18:12 Azure DNS alias set protection
19:48 Process to search and find dangling DNS
22:24 Summary

Microsoft Dangling DNS Doc – https://docs.microsoft.com/en-us/azure/security/fundamentals/subdomain-takeover
Scanning tool – https://github.com/Azure/Azure-Network-Security/tree/master/Cross%20Product/DNS%20-%20Find%20Dangling%20DNS%20Records