The inclusion of O365 ATP is a a great tool in included inside the Security and Compliance Center it allows to analyze deeply URL’s and attachments before letting end-users accessing it, the bad part, it is included in E5 O365 licenses, if you want to learn more about ATP check the following link: https://support.office.com/en-us/article/Office-365-Advanced-Threat-Protection-e100fe7c-f2a1-4b7d-9e08-622330b83653?ui=en-US&rs=en-US&ad=US
To enable ATP for SharePoint and Teams, go to the Security and Compliance administration center (https://protection.office.com/) and then go to Threat Management,
Then check the box Turn on ATP for SharePoint, OneDrive and Microsoft Teams to enable ATP for these workloads
Then it make take up to 30 minutes to be completed. Once ATP detects a malicious file a notification will be displayed on the SharePoint web page and blocks access to the infected file
As administrator you can also create an alert to get notified when an infected file is detected on SharePoint, OneDrive or Teams.
While still in the Security and Compliance portal, reach out to the Alerts\Alert policies section
And create a new alert policy with the following settings:
- Name: name the alert policy as you want
- Severity: set the severity as you wish (between low, medium and high)
- Category: Threat management
- Activity is: Detected malware in file
- Leave other settings as default
- and finally define the recipient(s) for this alert
Albandrod's Memory 