In der Cyber-Sicherheitslandschaft hat die kontinuierliche Entwicklung von Bedrohungen proaktive Ma\u00dfnahmen zu einer Notwendigkeit f\u00fcr jede Organisation gemacht. Eine solche Ma\u00dfnahme ist der PUA-Schutz (Potentially Unwanted Application), eine Funktion in Microsoft Defender, die unerw\u00fcnschte Software-Installationen verhindert. Indem sie sicherstellen, dass ihre Systeme gegen diese potenziellen Bedrohungen gesch\u00fctzt sind, k\u00f6nnen IT-Experten und MSPs (Managed Service Provider) ihre Sicherheitslage erheblich verbessern.<\/p>\n
Der PUA-Schutz als Teil von Microsoft Defender ist eine Funktion, die Anwendungen erkennt und blockiert, die nicht unbedingt b\u00f6sartig sind, aber aufgrund ihres Verhaltens oder ihrer Auswirkungen auf ein System unerw\u00fcnscht sein k\u00f6nnen. Die Bedeutung dieses Skripts sollte nicht untersch\u00e4tzt werden. IT-Experten und MSPs ben\u00f6tigen Tools, um die Sicherheit ihrer Systeme zu gew\u00e4hrleisten, und die Aktivierung des PUA-Schutzes ist eines dieser wichtigen Tools. Da immer mehr Software online vertrieben wird, ist das Risiko, versehentlich unerw\u00fcnschte Anwendungen herunterzuladen und zu installieren, gr\u00f6\u00dfer denn je.<\/p>\n
<#\r\n.SYNOPSIS\r\n Enables PUA protection in MS Defender\r\n.DESCRIPTION\r\n Enables PUA protection in MS Defender\r\n.EXAMPLE\r\n No parameters needed.\r\n Enables PUA protection in MS Defender\r\n.OUTPUTS\r\n None\r\n.NOTES\r\n Minimum OS Architecture Supported: Windows 10, Windows Server 2016\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#>\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 $p.IsInRole([System.Security.Principal.WindowsBuiltInRole]::Administrator)\r\n }\r\n}\r\nprocess {\r\n if (-not (Test-IsElevated)) {\r\n Write-Error -Message \"Access Denied. Please run with Administrator privileges.\"\r\n exit 1\r\n }\r\n if ($(Get-Command -Name \"Set-MpPreference\").Name -like \"Set-MpPreference\") {\r\n if ($(Get-MpPreference | Select-Object PUAProtection -ExpandProperty PUAProtection) -eq 0) {\r\n try {\r\n Set-MpPreference -PUAProtection Enabled -ErrorAction Stop\r\n }\r\n catch {\r\n Write-Error $_\r\n exit 1\r\n }\r\n Write-Host \"PUAProtection enabled.\"\r\n }\r\n else {\r\n Write-Host \"PUAProtection already enabled.\"\r\n }\r\n }\r\n else {\r\n Write-Error \"The module ConfigDefender was not found. Is MS Defender installed?\"\r\n }\r\n exit 0\r\n}\r\nend {}<\/pre>\n <\/p>\n\n