En el panorama de la ciberseguridad, la continua evoluci\u00f3n de las amenazas ha convertido las medidas proactivas en una necesidad para cualquier organizaci\u00f3n. Una de estas medidas es la protecci\u00f3n de PUA (aplicaciones potencialmente no deseadas), una funci\u00f3n de Microsoft Defender que ayuda a evitar la instalaci\u00f3n de software no deseado. Al garantizar que los sistemas est\u00e1n protegidos contra estas amenazas potenciales, los profesionales de TI y los MSP (proveedores de servicios gestionados) pueden mejorar significativamente su postura de seguridad.<\/p>\n
La protecci\u00f3n de PUA, como parte de Microsoft Defender, es una funci\u00f3n que detecta y bloquea aplicaciones que no son necesariamente maliciosas pero que pueden ser no deseadas por su comportamiento o impacto en un sistema. No se puede subestimar la importancia de este script. Los profesionales de TI y los MSP necesitan herramientas para garantizar la seguridad de sus sistemas, y habilitar la protecci\u00f3n de PUA es una de esas herramientas cr\u00edticas. Con el creciente n\u00famero de programas que se distribuyen por Internet, el riesgo de descargar e instalar inadvertidamente aplicaciones no deseadas es mayor que nunca.<\/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