Nothing offers a hidden icons feature to hide apps, but an APK teardown suggests that this will be replaced by a better ...

Under Other system tray icons, you can also specify which of the applications you have installed are displayed in the taskbar when they are started. You can hide apps whose icons you do not want ...

Now, use the toggle in front of the Windows Security notification icon to hide or show its icon. If you don’t want to do it from Settings, try doing the same from the Registry Editor.

you can simply drag and drop it into the Hidden icons bin. But if you want to disable the icon from starting up and displaying in the taskbar, you will have to disable it from the startups.