Security & Compliance PowerShell
Security & Compliance PowerShell is the administrative interface that enables you to manage the features that are available in the Microsoft 365 Defender portal and the Microsoft Purview compliance portal from the command line. For example, you can use Security & Compliance PowerShell to perform Compliance Searches. The following articles provide information about using Security & Compliance PowerShell:
To learn about the Exchange Online PowerShell module that's required to connect to Security & Compliance PowerShell, see About the Exchange Online PowerShell module.
Version 2.0.5 and earlier is known as the Exchange Online PowerShell V2 module (abbreviated as the EXO V2 module). Version 3.0.0 and later is known as the Exchange Online PowerShell V3 module (abbreviated as the EXO V3 module).
To create a PowerShell session that supports both modern authentication and multi-factor authentication (MFA), see Connect to Security & Compliance PowerShell. Note that the connection instructions are different from Exchange Online PowerShell or standalone Exchange Online Protection (EOP) PowerShell (the ConnectionUri value is different).
To learn about app-only authentication (also known as certificate based authentication or CBA) in Security & Compliance PowerShell for unattended scripts using AzureAD applications and self-signed certificates, see App-only authentication for unattended scripts in the Exchange Online PowerShell module.
To learn about the structure and layout of the cmdlet reference articles in Security & Compliance PowerShell, see Exchange cmdlet syntax.
Many of the cmdlets that are available in Security & Compliance PowerShell correspond to features that are only available in the Microsoft Purview compliance portal, so the related cmdlets are exclusive to Security & Compliance PowerShell. But, some cmdlets that are available in Security & Compliance PowerShell have the same names and functionality as those in Exchange Online PowerShell (for example, Get-User).
Also, some features that are available in the Microsoft 365 Defender portal (for example, anti-spam and anti-malware cmdlets are only available in Exchange Online PowerShell). Check the Applies to value in the cmdlet reference article to verify where the cmdlet actually resides.
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