Write-Host 'BPOS Admin Username: '
$bposlogin = Read-Host

Write-Host 'BPOS Admin Password:'
$bpospwd = read-host -assecurestring

$bposcred = new-object -typename System.Management.Automation.PSCredential -argumentlist $bposlogin, $bpospwd

import-csv .\Passwords.csv | foreach {
    Set-MSOnlineUserPassword -Identity $_.user -Password $_.pass -ChangePasswordOnNextLogon:$false -Credential $bposcred | fl Identity
    Get-MSOnlineUser $_.user -Credential $bposcred  | fl Identity, PasswordExpirationDate
}