EXOAntiPhishPolicy¶

Parameters¶

Parameter	Attribute	DataType	Description	Allowed Values
Identity	Key	String	The Identity parameter specifies the name of the antiphishing policy that you want to modify.
Ensure	Write	String	Specify if this policy should exist or not.	`Present`, `Absent`
AdminDisplayName	Write	String	The AdminDisplayName parameter specifies a description for the policy.
PhishThresholdLevel	Write	String	The PhishThresholdLevel parameter specifies the tolerance level that's used by machine learning in the handling of phishing messages.	`1`, `2`, `3`, `4`
AuthenticationFailAction	Write	String	The AuthenticationFailAction parameter specifies the action to take when the message fails composite authentication.	`MoveToJmf`, `Quarantine`
TargetedUserProtectionAction	Write	String	The TargetedUserProtectionActionâ¯parameter specifies the action to take on detected user impersonation messages for the users specified by the TargetedUsersToProtect parameter.	`BccMessage`, `Delete`, `MoveToJmf`, `NoAction`, `Quarantine`, `Redirect`
Enabled	Write	Boolean	Specify if this policy should be enabled. Default is $true.
EnableFirstContactSafetyTips	Write	Boolean	The EnableFirstContactSafetyTips parameter specifies whether to enable or disable the safety tip that's shown when recipients first receive an email from a sender or do not often receive email from a sender.
EnableMailboxIntelligence	Write	Boolean	The EnableMailboxIntelligence parameter specifies whether to enable or disable mailbox intelligence (the first contact graph) in domain and user impersonation protection.
EnableMailboxIntelligenceProtection	Write	Boolean	The EnableMailboxIntelligenceProtection specifies whether to enable or disable enhanced impersonation results based on each user's individual sender map. This intelligence allows Microsoft 365 to customize user impersonation detection and better handle false positives.
EnableOrganizationDomainsProtection	Write	Boolean	Theâ¯EnableOrganizationDomainsProtection parameter specifies whether to enable domain impersonation protection for all registered domains in the Office 365 organization.
EnableSimilarDomainsSafetyTips	Write	Boolean	Theâ¯EnableSimilarDomainsSafetyTipsâ¯parameter specifies whether to enable safety tips that are shown to recipients in messages for domain impersonation detections.
EnableSimilarUsersSafetyTips	Write	Boolean	Theâ¯EnableSimilarUsersSafetyTipsâ¯parameter specifies whether to enable safety tips that are shown to recipients in messages for user impersonation detections.
EnableSpoofIntelligence	Write	Boolean	The EnableSpoofIntelligence parameter specifies whether to enable or disable antispoofing protection for the policy.
EnableTargetedDomainsProtection	Write	Boolean	Theâ¯EnableTargetedDomainsProtection parameter specifies whether to enable domain impersonation protection for a list of specified domains.
EnableTargetedUserProtection	Write	Boolean	Theâ¯EnableTargetedUserProtection parameter specifies whether to enable user impersonation protection for the users specified by the TargetedUsersToProtect parameter
EnableUnauthenticatedSender	Write	Boolean	Theâ¯EnableUnauthenticatedSenderâ¯parameter enables or disables unauthenticated sender identification in Outlook.
EnableUnusualCharactersSafetyTips	Write	Boolean	Theâ¯EnableUnusualCharactersSafetyTipsâ¯parameter specifies whether to enable safety tips that are shown to recipients in messages for unusual characters in domain and user impersonation detections.
EnableViaTag	Write	Boolean	This setting is part of spoof protection. Theâ¯EnableViaTagâ¯parameter enables or disables adding the via tag to the From address in Outlook.
MakeDefault	Write	Boolean	Make this the default antiphishing policy
ExcludedDomains	Write	StringArray[]	Theâ¯ExcludedDomainsâ¯parameter specifies trusted domains that are excluded from scanning by antiphishing protection. You can specify multiple domains separated by commas.
ExcludedSenders	Write	StringArray[]	Theâ¯ExcludedSendersâ¯parameter specifies a list of trusted sender email addresses that are excluded from scanning by antiphishing protection. You can specify multiple email addresses separated by commas.
HonorDmarcPolicy	Write	Boolean	The HonorDmarcPolicy enables or disables using the sender's DMARC policy to determine what to do to messages that fail DMARC checks.
ImpersonationProtectionState	Write	String	The ImpersonationProtectionState parameter specifies the configuration of impersonation protection.
MailboxIntelligenceProtectionAction	Write	String	The MailboxIntelligenceProtectionAction parameter specifies what to do with messages that fail mailbox intelligence protection.
MailboxIntelligenceProtectionActionRecipients	Write	StringArray[]	Theâ¯MailboxIntelligenceProtectionActionRecipients parameter specifies the recipients to add to detected messages when the MailboxIntelligenceProtectionAction parameter is set to the valueâ¯Redirect or BccMessage.
MailboxIntelligenceQuarantineTag	Write	String	The MailboxIntelligenceQuarantineTag specifies the quarantine policy that's used on messages that are quarantined by mailbox intelligence.
SpoofQuarantineTag	Write	String	The SpoofQuarantineTag specifies the quarantine policy that's used on messages that are quarantined by spoof intelligence.
TargetedDomainActionRecipients	Write	StringArray[]	Theâ¯TargetedDomainActionRecipients parameter specifies the recipients to add to detected domain impersonation messages when the TargetedDomainProtectionAction parameter is set to the valueâ¯Redirect or BccMessage. A valid value for this parameter is an email address. You can specify multiple email addresses separated by commas.
TargetedDomainProtectionAction	Write	String	The TargetedDomainProtectionAction parameter specifies the action to take on detected domain impersonation messages.	`BccMessage`, `Delete`, `MoveToJmf`, `NoAction`, `Quarantine`, `Redirect`
TargetedDomainsToProtect	Write	StringArray[]	The TargetedDomainsToProtect parameter specifies the domains that are included in domain impersonation protection when the EnableTargetedDomainsProtection parameter is set to $true.
TargetedDomainQuarantineTag	Write	String	The TargetedDomainQuarantineTag specifies the quarantine policy that's used on messages that are quarantined by domain impersonation protection.
TargetedUserActionRecipients	Write	StringArray[]	Theâ¯TargetedUserActionRecipients parameter specifies the replacement or additional recipients for detected user impersonation messages when the TargetedUserProtectionAction parameter is set to the valueâ¯Redirect or BccMessage. A valid value for this parameter is an email address. You can specify multiple email addresses separated by commas.
TargetedUsersToProtect	Write	StringArray[]	The TargetedUsersToProtect parameter specifies the users that are included in user impersonation protection when the EnableTargetedUserProtection parameter is set to $true.
TargetedUserQuarantineTag	Write	String	The TargetedUserQuarantineTag specifies the quarantine policy that's used on messages that are quarantined by user impersonation protection.
Credential	Write	PSCredential	Credentials of the Exchange Global Admin
ApplicationId	Write	String	Id of the Azure Active Directory application to authenticate with.
TenantId	Write	String	Id of the Azure Active Directory tenant used for authentication.
CertificateThumbprint	Write	String	Thumbprint of the Azure Active Directory application's authentication certificate to use for authentication.
CertificatePassword	Write	PSCredential	Username can be made up to anything but password will be used for CertificatePassword
CertificatePath	Write	String	Path to certificate used in service principal usually a PFX file.
ManagedIdentity	Write	Boolean	Managed ID being used for authentication.
AccessTokens	Write	StringArray[]	Access token used for authentication.

Description¶

This resource configures an Anti-Phish Policy in Exchange Online. Reference: https://docs.microsoft.com/en-us/powershell/module/exchange/advanced-threat-protection/new-antiphishpolicy?view=exchange-ps

Permissions¶

Exchange¶

To authenticate with Microsoft Exchange, this resource required the following permissions:

Roles¶

Transport Hygiene, Security Admin, View-Only Configuration, Security Reader

Role Groups¶

Organization Management

Examples¶

Example 1¶

This example is used to test new resources and showcase the usage of new resources being worked on. It is not meant to use as a production baseline.

Configuration Example
{
    param(
        [Parameter(Mandatory = $true)]
        [PSCredential]
        $Credscredential
    )
    Import-DscResource -ModuleName Microsoft365DSC

    node localhost
    {
        EXOAntiPhishPolicy 'ConfigureAntiphishPolicy'
        {
            Identity                              = "Our Rule"
            MakeDefault                           = $null
            PhishThresholdLevel                   = 1
            EnableTargetedDomainsProtection       = $null
            Enabled                               = $null
            TargetedDomainsToProtect              = $null
            EnableSimilarUsersSafetyTips          = $null
            ExcludedDomains                       = $null
            TargetedDomainActionRecipients        = $null
            EnableMailboxIntelligence             = $null
            EnableSimilarDomainsSafetyTips        = $null
            AdminDisplayName                      = ""
            AuthenticationFailAction              = "MoveToJmf"
            TargetedUserProtectionAction          = "NoAction"
            TargetedUsersToProtect                = $null
            EnableTargetedUserProtection          = $null
            ExcludedSenders                       = $null
            EnableOrganizationDomainsProtection   = $null
            EnableUnusualCharactersSafetyTips     = $null
            TargetedUserActionRecipients          = $null
            Ensure                                = "Present"
            Credential                            = $Credscredential
        }
    }
}

Example 2¶

This example is used to test new resources and showcase the usage of new resources being worked on. It is not meant to use as a production baseline.

Configuration Example
{
    param(
        [Parameter(Mandatory = $true)]
        [PSCredential]
        $Credscredential
    )
    Import-DscResource -ModuleName Microsoft365DSC

    node localhost
    {
        EXOAntiPhishPolicy 'ConfigureAntiphishPolicy'
        {
            Identity                              = "Our Rule"
            MakeDefault                           = $null
            PhishThresholdLevel                   = 2 # Updated Property
            EnableTargetedDomainsProtection       = $null
            Enabled                               = $null
            TargetedDomainsToProtect              = $null
            EnableSimilarUsersSafetyTips          = $null
            ExcludedDomains                       = $null
            TargetedDomainActionRecipients        = $null
            EnableMailboxIntelligence             = $null
            EnableSimilarDomainsSafetyTips        = $null
            AdminDisplayName                      = ""
            AuthenticationFailAction              = "MoveToJmf"
            TargetedUserProtectionAction          = "NoAction"
            TargetedUsersToProtect                = $null
            EnableTargetedUserProtection          = $null
            ExcludedSenders                       = $null
            EnableOrganizationDomainsProtection   = $null
            EnableUnusualCharactersSafetyTips     = $null
            TargetedUserActionRecipients          = $null
            Ensure                                = "Present"
            Credential                            = $Credscredential
        }
    }
}

Example 3¶

This example is used to test new resources and showcase the usage of new resources being worked on. It is not meant to use as a production baseline.

Configuration Example
{
    param(
        [Parameter(Mandatory = $true)]
        [PSCredential]
        $Credscredential
    )
    Import-DscResource -ModuleName Microsoft365DSC

    node localhost
    {
        EXOAntiPhishPolicy 'ConfigureAntiphishPolicy'
        {
            Identity                              = "Our Rule"
            MakeDefault                           = $null
            PhishThresholdLevel                   = 2 # Updated Property
            EnableTargetedDomainsProtection       = $null
            Enabled                               = $null
            TargetedDomainsToProtect              = $null
            EnableSimilarUsersSafetyTips          = $null
            ExcludedDomains                       = $null
            TargetedDomainActionRecipients        = $null
            EnableMailboxIntelligence             = $null
            EnableSimilarDomainsSafetyTips        = $null
            AdminDisplayName                      = ""
            AuthenticationFailAction              = "MoveToJmf"
            TargetedUserProtectionAction          = "NoAction"
            TargetedUsersToProtect                = $null
            EnableTargetedUserProtection          = $null
            ExcludedSenders                       = $null
            EnableOrganizationDomainsProtection   = $null
            EnableUnusualCharactersSafetyTips     = $null
            TargetedUserActionRecipients          = $null
            Ensure                                = "Present"
            Credential                            = $Credscredential
        }
    }
}