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Version: 2.0.1 (preview)

Test-MtAIAgentAuthorAuthentication

SYNOPSIS​

Tests if AI agents use author (maker) authentication for their connector tools.

SYNTAX​

Test-MtAIAgentAuthorAuthentication [-ProgressAction <ActionPreference>] [<CommonParameters>]

DESCRIPTION​

Checks all Copilot Studio agents for connector tools that use author (maker) authentication instead of end-user authentication. When a connection uses author authentication, the agent accesses external services (SharePoint, SQL, etc.) using the bot maker's stored credentials rather than requiring the end user to authenticate. This creates a privilege escalation risk - the agent operates with the maker's permissions regardless of who is chatting with it.

Reference: https://www.microsoft.com/en-us/security/blog/2026/02/12/copilot-studio-agent-security-top-10-risks-detect-prevent/

EXAMPLES​

EXAMPLE 1​

Test-MtAIAgentAuthorAuthentication

PARAMETERS​

-ProgressAction​

{{ Fill ProgressAction Description }}

Type: ActionPreference
Parameter Sets: (All)
Aliases: proga

Required: False
Position: Named
Default value: None
Accept pipeline input: False
Accept wildcard characters: False

CommonParameters​

This cmdlet supports the common parameters: -Debug, -ErrorAction, -ErrorVariable, -InformationAction, -InformationVariable, -OutVariable, -OutBuffer, -PipelineVariable, -Verbose, -WarningAction, and -WarningVariable. For more information, see about_CommonParameters.

INPUTS​

OUTPUTS​

[bool] - Returns $true if no agents use author/maker authentication,​

$false if any agent has connections using the maker's credentials,​

$null if data is unavailable.​

NOTES​

https://maester.dev/docs/commands/Test-MtAIAgentAuthorAuthentication