Checks/check-ORCA179.ps1
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<#
179 Checks to determine if SafeLinks is re-wring internal to internal emails. Does not however, check to determine if there is a rule enforcing this. #> using module "..\ORCA.psm1" class ORCA179 : ORCACheck { <# CONSTRUCTOR with Check Header Data #> ORCA179() { $this.Control=179 $this.Services=[ORCAService]::OATP $this.Area="Advanced Threat Protection Policies" $this.Name="Intra-organization Safe Links" $this.PassText="Safe Links is enabled intra-organization" $this.FailRecommendation="Enable Safe Links between internal users" $this.ExpandResults=$True $this.ChiValue=[ORCACHI]::High $this.Importance="Phishing attacks are not limited from external users. Commonly, when one user is compromised, that user can be used in a process of lateral movement between different accounts in your organization. Configuring Safe Links so that internal messages are also re-written can assist with lateral movement using phishing." $this.ItemName="SafeLinks Policy" $this.DataType="Enabled for Internal" $this.Links= @{ "Security & Compliance Center - Safe links"="https://protection.office.com/safelinksconverged" "Recommended settings for EOP and Office 365 ATP security"="https://docs.microsoft.com/en-us/microsoft-365/security/office-365-security/recommended-settings-for-eop-and-office365-atp#office-365-advanced-threat-protection-security" } } <# RESULTS #> GetResults($Config) { $Enabled = $False ForEach($Policy in $Config["SafeLinksPolicy"]) { # Check objects $ConfigObject = [ORCACheckConfig]::new() $ConfigObject.ConfigItem=$($Policy.Name) $ConfigObject.ConfigData=$Policy.EnableForInternalSenders # Determine if ATP link tracking is on for this safelinks policy If($Policy.EnableForInternalSenders -eq $true) { $Enabled = $True $ConfigObject.SetResult([ORCAConfigLevel]::Standard,"Pass") } Else { $ConfigObject.SetResult([ORCAConfigLevel]::Standard,"Fail") } $this.AddConfig($ConfigObject) } If($Enabled -eq $False) { # No policy enabling $ConfigObject = [ORCACheckConfig]::new() $ConfigObject.ConfigItem="All" $ConfigObject.ConfigData="Enabled False" $ConfigObject.SetResult([ORCAConfigLevel]::Standard,"Fail") $this.AddConfig($ConfigObject) } } } |