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Azure B2C - Notify user of a new login on a different device

Neil B 116 Reputation points
2021-05-20T08:28:47.6+00:00

When a user is logged into one of our websites, is it possible to send them a notification/email if a new login is detected on a different device?

Microsoft Security | Microsoft Entra | Microsoft Entra External ID

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  1. AmanpreetSingh-MSFT 56,871 Reputation points Moderator
    2021-05-20T10:33:34.707+00:00

    Hi @Neil B · Thank you for reaching out.

    This is not yet possible. As of now, best you can do is, require MFA for unknown devices by using the custom policy sample provided here: https://github.com/azure-ad-b2c/samples/tree/master/policies/mfa-unknown-devices

    If you don't want to use custom policy, you may configure Identity Protection (requires B2C Premium P2 tier) and/or configure Conditional Access Policy to require MFA when there is low/medium/high sign-in risk is detected.

    Read more:

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