Microsoft launched Smart App Control, a Windows 11 security feature, earlier this year. At the time, Microsoft described it as a protection tool that "blocks untrusted or potentially dangerous applications."
What was unique about the tool at the time was that it determined whether it should run on a Windows 11 device. Smart App Control initially runs in evaluation mode; it is in this mode that the application decides whether it should be opened.
Microsoft did reveal that users can enable Smart App Control in the App and Browser Controls section of the Windows Security app. According to Microsoft only, Smart App Control is activated on new Windows 11 installations.
According to David Weston, Microsoft’s vice president of enterprise and operating system security, on Twitter, Microsoft recently updated Smart App Control. According to Weston, Smart App Control automatically blocks specific file types from the Internet.
Windows 11 with Smart Application Control blocks iso and lnk files with web tags, just like macros.
The protection feature replicates the protection Microsoft recently implemented to prevent the use of macros to execute Office files if they originate from the Internet zone.
#Microsoft plans to update documentation that lacks information and clarity. Bleeping Computer gets an extension list of file extensions blocked by Smart App Control by default. In addition to iso and lnk, Smart App Control appears to block IMG, VHD, VHDX, .appref-ms, BAT, CMD, CHM, CPL, JS, JSE, MSC, MSP, REG, VBE, VBS and WSF files if They come from unsafe places.
If Smart App Control blocks a file from being executed on a Windows 11 computer, Smart App Control displays the following message on the screen:
Smart App Control blocked a potentially unsafe app .
This file has been blocked because such files from the Internet can be dangerous.
The main caveat with Smart App Control is that it only works on newly installed or just reset machines efficient. Apparently, Microsoft has increased the limits of Smart App Control to ensure that no malicious apps or programs are already running on the device.
Only some Windows 11 users can access Smart App Control. Even for new installations, Smart App Control may decide to shut down itself during the evaluation phase. In this case, once closed, the user does not have the option to open it.
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