We’ve renamed Microsoft Cloud App Security. It’s now called Microsoft Defender for Cloud Apps. In the coming weeks, we’ll update the screenshots and instructions here and in related pages. For more information about the change, see this announcement. To learn more about the recent renaming of Microsoft security services, see the Microsoft Ignite Security blog.

Cloud Discovery analyzes your traffic logs against the Defender for Cloud Apps catalog. Over 25,000 cloud apps are in the Cloud App Catalog. The catalog contains publicly available cloud apps only, for which Defender for Cloud Apps provides visibility and risk information.

To gain visibility into cloud apps that are excluded from the Cloud App Catalog, Defender for Cloud Apps enables you to discover use of custom cloud apps (LOB apps) that were developed or assigned specifically for your organization.

By adding a new custom cloud app, Defender for Cloud Apps can match uploaded firewall and proxy traffic log messages to the app and then provide you with visibility into the use of this app across your organization in the Cloud Discovery pages, such as how many users use the app, how many unique source IP addresses use it, and how much traffic is transmitted to and from the app.

Add a new custom cloud app

  1. In the Defender for Cloud Apps portal, click on Discover and then Cloud Discovery dashboard.

    cloud discovery dashboard menu.

  2. In the top right corner, click the three dots and then select Add new custom app.

    add custom app menu.

  3. Fill in the fields to define the new app record that will be listed in the Cloud App Catalog and in Cloud Discovery after it’s discovered in your firewall logs.

    custom app.

  4. Under Domains, fill in the unique domains that are used when accessing the custom app. These domains are used to match traffic log messages to this app. If the data source you’re using doesn’t have app URL information, make sure you fill in the IPv4 and IPv6 address fields.
  5. Add the Hosting platform and Azure Subscription ID. Optionally, specify the app’s Business unit.
  6. Assign a risk Score and add App Notes to help you track changes for this record.
  7. Click Create.

After the app is created, it’s available for you in the Cloud App Catalog.

At any time, you can click the three dots at the end of the row to edit or delete a custom app.


Custom apps are automatically tagged with the Custom app tag after you add them. This app tag cannot be removed. In order to view all your custom apps, set the App tag filter to be equal to ‘Custom app’.

Source : Official Microsoft Brand
Editor by : BEST Antivirus KBS Team

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