You need to install and configure the Microsoft Antimalware extension on the virtual machine named web11597200.
In the Azure portal, type Virtual Machines in the search box, select Virtual Machines from the search results then select web11597200. Alternatively, browse to Virtual Machines in the left navigation pane.
In the properties of web11597200, click on Extensions.
Click the Add button to add an Extension.
Scroll down the list of extensions and select Microsoft Antimalware.
Click the Create button. This will open the settings pane for the Microsoft Antimalware Extension.
In the Scan day field, select Friday.
In the Scan time field, enter 60. The scan time is measured in minutes after midnight so 60 would be 01:00, 120 would be 02:00 etc.
Click the OK button to save the configuration and install the extension.

Reference:
https://docs.microsoft.com/en-us/azure/role-based-access-control/built-in-roles#compute

First, you need to create a new sensitive information type because you can't directly modify the default rules.
Reference:
https://docs.microsoft.com/en-us/office365/securitycompliance/customize-a-built-in-sensitive-information-type

Reference:
https://github.com/MicrosoftDocs/azure-docs/blob/master/articles/security-center/custom-security-policies.md
https://zimmergren.net/create-custom-security-center-recommendation-with-azure-policy/