troubleshooting Question

unusual email access activity

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nav2567Flag for United States of America asked on
Microsoft 365OS SecurityNetwork SecuritySecurity
6 Comments1 Solution141 ViewsLast Modified:
Our security monitoring system has detected an O365 mailbox account is being accessed from Madrid IP addresses from Google Cloud.  It seens that the driven activities are not from a browser or outlook client and the access time is in the middle of the night.  

Does anyone has a suggest for example, is it possible to restrict acces and disallow some google IP ranges from accessing the mailbox?

Any suggestion is appreciated.  

Thanks.
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David Favor
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