

In addition to the warning, Windows Defender also persistently prompts that a restart is required. This false warning isn’t going anywhere, and Microsoft’s multiple attempts to resolve the problem via Windows Defender updates have been unsuccessful. Your device may be vulnerable”, even if the feature is enabled. This makes LSA Protection a vital security feature, which is why it is enabled by default in all installations of Windows 11.Īnd here comes the problem: Windows 11 now warns users, “Local Security authority protection is off. LSA Protection runs in the background by isolating the LSA process in a container and preventing other processes, like malicious actors or apps, from accessing the feature. Your device may be vulnerable in Windows Security app

Local Security authority protection is off. Your device may be vulnerable” is displayed when you turn off the feature. LSA protection is enabled by default, and Microsoft doesn’t want users to disable it, so a warning for “Local Security Authority protection is off. Windows 11 has the “Local Security Authority protection” feature, first introduced in 8.1 and Server 2012 R2.
