![]() ![]() You can use the tool to test the effectiveness of CFA. The Exploit Guard CFA File Creator tool is part the Exploit Guard Evaluation Package, which is a free download from Microsoft. For example, CFA’s ability to protect will be weakened if users have administrative rights on their devices. Like any protection technology, CFA can be effective as part of a defense-in-depth strategy. CFA can also be configured using PowerShell, using the Set-MpPreference and Add-MpPreference cmdlets, and configuration service providers (CSPs) for Mobile Device Management (MDM). The settings for CFA can be found under Administrative Templates > Windows Components > Windows Defender Antivirus > Windows Defender Exploit Guard > Controlled folder access. ![]() The good news is that CFA can be configured by system administrators using Group Policy. Scroll down the list of settings and set Controlled folder access to On.Īllowing Apps Through Control Folder Access in Windows 10 (Image Credit: Russell Smith) ![]() To enable CFA, open the Windows Defender Security Center, click Virus and threat protection and then Virus and threat protection settings. I enabled Controlled Folder Access on my main PC with the default settings. Most importantly, network shares can also be protected, although the use of wildcards is not supported. You can add your own folders to the list but the default folders cannot be removed. The protected folders list includes the Documents, Videos, Music, Favorites, and Pictures folders for all users. However, users can enable it and receive better protection with the default settings. Controlled Folder Access (CFA) is part of Exploit Guard and helps users and organizations protect folders, such as Documents, from malicious apps. Windows Defender Exploit Guard replaces the Enhanced Mitigation Experience Toolkit (EMET) in Windows 10. Despite Windows 10’s resilience to WannaCry, Microsoft has added several features to Windows Defender in the Windows 10 Fall Creators Update to bolster security. Automatic updates in Windows 10 left Microsoft’s latest version of Windows largely unaffected. WannaCry has been the most notable example, exploiting vulnerabilities in Windows that Microsoft had already patched. Ransomware has been in the headlines a lot this year. In this Ask the Admin, I’ll explain how Controlled Folder Access can help protect users against ransomware. ![]()
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