{"id":215600,"date":"2024-03-15T16:20:37","date_gmt":"2024-03-15T16:20:37","guid":{"rendered":"https:\/\/www.ninjaone.com\/?post_type=script_hub&p=215600"},"modified":"2024-03-15T16:22:20","modified_gmt":"2024-03-15T16:22:20","slug":"identifizierung-entsperrter-und-voll-entschluesselter-laufwerke-mit-powershell","status":"publish","type":"script_hub","link":"https:\/\/www.ninjaone.com\/de\/script-hub\/identifizierung-entsperrter-und-voll-entschluesselter-laufwerke-mit-powershell\/","title":{"rendered":"Identifizieren von entsperrten und vollst\u00e4ndig entschl\u00fcsselten Laufwerken mit PowerShell"},"content":{"rendered":"

Die sich st\u00e4ndig weiterentwickelnde IT-Landschaft erfordert Wachsamkeit in Sachen Sicherheit, insbesondere im Bereich des Datenschutzes. Da Unternehmen durch die digitale Transformation immer st\u00e4rker auf Daten angewiesen sind, wird der Schutz sensibler Informationen immer wichtiger. Ein zentraler Aspekt des Datenschutzes ist das Verst\u00e4ndnins des Status der Festplattenverschl\u00fcsselung. Dies bringt uns zu unserem heutigen Schwerpunkt – ein PowerShell-Skript, das die Anzahl der entsperrten und vollst\u00e4ndig entschl\u00fcsselten Laufwerke ermitteln kann. <\/strong><\/p>\n

Hintergrund<\/h2>\n

Die Festplattenverschl\u00fcsselung ist seit langem ein Eckpfeiler der Informationssicherheit, insbesondere in Unternehmen, in denen gro\u00dfe Mengen sensibler Daten gespeichert werden. IT-Fachleute und Managed Service Provider (MSPs<\/a> ) bem\u00fchen sich, sicherzustellen, dass Festplattenlaufwerke verschl\u00fcsselt bleiben, um unbefugten Zugriff zu verhindern. Die \u00dcberwachung des Verschl\u00fcsselungsstatus wird zu einer kritischen Aufgabe, weshalb effiziente Skripte ben\u00f6tigt werden, die Aufschluss dar\u00fcber geben, welche Laufwerke m\u00f6glicherweise anf\u00e4llig sind. Unser Skript dient genau diesem Zweck.<\/p>\n

Das Skript<\/h2>\n
#Requires -Version 2.0\r\n\r\n<#\r\n.SYNOPSIS\r\n    Returns the number of drives in the Unlocked and FullyDecrypted state.\r\n.DESCRIPTION\r\n    Returns the number of drives in the Unlocked and FullyDecrypted state.\r\n.EXAMPLE\r\n    No parameters needed.\r\n.EXAMPLE\r\n    PS C:> Get-UnencryptedDiskCount.ps1\r\n    No Parameters needed\r\n.OUTPUTS\r\n    int\r\n.NOTES\r\n    Minimum OS Architecture Supported: Windows 7, Windows Server 2012\r\n    Uses manage-bde.exe or Get-BitLockerVolume depending on the version of PowerShell\r\n    Release Notes:\r\n    Initial Release\r\nBy using this script, you indicate your acceptance of the following legal terms as well as our Terms of Use at https:\/\/www.ninjaone.com\/terms-of-use.\r\n    Ownership Rights: NinjaOne owns and will continue to own all right, title, and interest in and to the script (including the copyright). NinjaOne is giving you a limited license to use the script in accordance with these legal terms. \r\n    Use Limitation: You may only use the script for your legitimate personal or internal business purposes, and you may not share the script with another party. \r\n    Republication Prohibition: Under no circumstances are you permitted to re-publish the script in any script library or website belonging to or under the control of any other software provider. \r\n    Warranty Disclaimer: The script is provided \u201cas is\u201d and \u201cas available\u201d, without warranty of any kind. NinjaOne makes no promise or guarantee that the script will be free from defects or that it will meet your specific needs or expectations. \r\n    Assumption of Risk: Your use of the script is at your own risk. You acknowledge that there are certain inherent risks in using the script, and you understand and assume each of those risks. \r\n    Waiver and Release: You will not hold NinjaOne responsible for any adverse or unintended consequences resulting from your use of the script, and you waive any legal or equitable rights or remedies you may have against NinjaOne relating to your use of the script. \r\n    EULA: If you are a NinjaOne customer, your use of the script is subject to the End User License Agreement applicable to you (EULA).\r\n.COMPONENT\r\n    Misc\r\n#>\r\n\r\n[CmdletBinding()]\r\nparam ()\r\n\r\nbegin {\r\n    function Test-IsElevated {\r\n        $id = [System.Security.Principal.WindowsIdentity]::GetCurrent()\r\n        $p = New-Object System.Security.Principal.WindowsPrincipal($id)\r\n        if ($p.IsInRole([System.Security.Principal.WindowsBuiltInRole]::Administrator))\r\n        { Write-Output $true }\r\n        else\r\n        { Write-Output $false }\r\n    }\r\n    function Get-DriveLetter {\r\n        param()\r\n        Get-Disk | Where-Object { $_.bustype -ne 'USB' } | Get-Partition | Where-Object { $_.DriveLetter } | Select-Object -ExpandProperty DriveLetter\r\n    }\r\n    function Invoke-ManageBDE {\r\n        [CmdletBinding()]\r\n        param ()\r\n        # Check if manage-bde.exe is available\r\n        if ((Get-Command -Name \"manage-bde.exe\" -ErrorAction SilentlyContinue)) {\r\n            # Get physical drives\r\n            Get-DriveLetter | ForEach-Object {\r\n                $DriveLetter = $_\r\n                $ReturnObj = [PSCustomObject]@{\r\n                    MountPoint = \"$_`:\"\r\n                }\r\n                # Get data from manage-bde.exe and convert the text to objects for easier processing \r\n                (manage-bde.exe -status \"$_`:\") -split \"`n\" | Where-Object { $_ -like \"*:*\" } | ForEach-Object {\r\n                    $First = ($_ -split \":\")[0].Trim() -replace ' '\r\n                    $Last = ($_ -split \":\")[1].Trim() -replace ' '\r\n                    if ($First -notlike \"Name\" -and $First -notlike \"BitLocker Drive Encryption\" -and $First -notlike \"Volume $DriveLetter\") {\r\n                        if ($First -like \"ConversionStatus\") {\r\n                            # Renames ConversionStatus to VolumeStatus to match Get-BitLockerVolume's output\r\n                            $ReturnObj | Add-Member -MemberType NoteProperty -Name \"VolumeStatus\" -Value $Last\r\n                        }\r\n                        else {\r\n                            $ReturnObj | Add-Member -MemberType NoteProperty -Name $First -Value $Last\r\n                        }\r\n                    }\r\n                }\r\n                $ReturnObj\r\n            } | Select-Object MountPoint, LockStatus, VolumeStatus\r\n        }\r\n        else {\r\n            Write-Host \"Windows Feature BitLocker is not install.\"\r\n            Write-Output 0\r\n        }\r\n    }\r\n}\r\nprocess {\r\n    if (-not (Test-IsElevated)) {\r\n        Write-Error -Message \"Access Denied. Please run with Administrator privileges.\"\r\n        exit 1\r\n    }\r\n    $Result = if ($PSVersionTable.PSVersion.Major -le 4) {\r\n        Invoke-ManageBDE\r\n    }\r\n    else {\r\n        try {\r\n            Get-DriveLetter | Get-BitLockerVolume | Select-Object MountPoint, LockStatus, VolumeStatus\r\n        }\r\n        catch {\r\n            Write-Output \"Falling back on manage-bde.exe\"\r\n            Invoke-ManageBDE\r\n        }\r\n    }\r\n    $UnencryptedDisks = if ($Result) {\r\n        (($Result | Where-Object { \"Unlocked\" -like $_.LockStatus -and \"FullyDecrypted\" -like $_.VolumeStatus }).LockStatus).Count\r\n    }\r\n    else {\r\n        (Get-DriveLetter).Count\r\n    }\r\n    \r\n    # Return a count of Unlocked drives\r\n    Write-Host \"Unencrypted Disk Count: $UnencryptedDisks\"\r\n    # Return an exit code of 2 if more than 1 disk is unencrypted\r\n    if ($UnencryptedDisks -gt 0) {\r\n        exit 2\r\n    }\r\n    exit 0\r\n}\r\nend {}<\/pre>\n
 <\/p>\n\n
Zugriff auf \u00fcber 300 Skripte im NinjaOne Dojo<\/p>\n
Zugang erhalten<\/a><\/p>\n<\/div>\n
Detailansicht<\/h2>\n
Das Skript ist sorgf\u00e4ltig strukturiert, um die Anzahl der unverschl\u00fcsselten Festplatten zu ermitteln. So erreicht es dieses Ziel:<\/p>\n