Malicious activity from outside my org


I want to know if any devices outside my organization access my resource or installed any apps? How I can do that through management portals?

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Accepted answer
  1. Akshay-MSFT 16,511 Reputation points Microsoft Employee

    Hello @Ahmed Elsayed Riad Abdelhady Elkeay ,

    You could block and detect the devices/users who signed into any applications of your organization by using Intune (MEM) and conditional access policy.

    Create a CA policy with following settings:

    • Target all user and all cloud apps:


    • Within Conditions select all the device platforms and client applications:


    • In access control select "Require device to be marked as compliant" and switch "On" the policy


    • The above defined conditional access policy will allow only devices with are registered and enrolled in Intune to access any of you corp applications. Any devices which is not registered will be blocked by CA policy.

    Viewing the blocked devices:

    - The blocked device will be visible in sign in logs and end user would get following message:



    • Among sign in logs you could see:



    Please do let me know if you have any queries in the comments section.

    Akshay Kaushik

    Please "Accept the answer" and "Upvote" if the above-mentioned suggestion works as per your business need. This will help us and others in the community as well.

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