gistfile1.txt

Get-WinEvent -FilterHashtable @{
    LogName   = 'System'
    StartTime = (Get-Date).AddMinutes(-10)
} |
Where-Object {
    $_.ProviderName -eq 'Microsoft-Windows-Smartcard-Server'
} |
Select-Object TimeCreated, Id, LevelDisplayName, Message |
Format-List

Get-CimInstance Win32_PnPSignedDriver |
Where-Object {
$_.DeviceName -match "YubiKey|Smart Card"
} |
Select-Object DeviceName,DriverProviderName,DriverVersion,InfName

reg query "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Authentication\Credential Providers{8FD7E19C-3BF7-489B-A72C-846AB3678C96}"

reg query "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v ExcludedCredentialProviders

Write-Host "=== Smart Card Credential Provider ==="
reg query "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Authentication\Credential Providers{8FD7E19C-3BF7-489B-A72C-846AB3678C96}"

Write-Host "`n=== Excluded Credential Providers ==="
reg query "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v ExcludedCredentialProviders

Write-Host "`n=== Require Smart Card ==="
reg query "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v scforceoption

reg query "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Authentication\Credential Providers{8FD7E19C-3BF7-489B-A72C-846AB3678C96}"

reg query "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" /v ExcludedCredentialProviders

$w=New-Object -ComObject WScript.Shell; while($true){$w.SendKeys('{SCROLLLOCK}'); Start-Sleep -Milliseconds 100; $w.SendKeys('{SCROLLLOCK}'); Start-Sleep -Seconds 300}