$uri  = 'https://sxpartner10.taleo.net/enterprise/passport/xml'
$user = 'ACCURATEBACKGROUND'
$pass = 'a2s3d4' | ConvertTo-SecureString -AsPlainText -Force
$cred = New-Object Management.Automation.PSCredential ($user, $pass)
$method = 'POST'
[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12
Invoke-WebRequest -Uri $uri -Credential $cred -Method $method