Data vaults on macOS are intended to prevent apps running under they same unprivileged user from accessing files that belong to another app.
Eg, if there is a file/directory that only safari is meant to have access to, no other app should be able to read it, without at least bringing up one of the annoying “allow X to access your Y”. For example, the first time you, say, feel your home directory you’ll get a bunch of TCC requests asking if the host app (Terminal.app say) should be allowed to access those files.
Eg, if there is a file/directory that only safari is meant to have access to, no other app should be able to read it, without at least bringing up one of the annoying “allow X to access your Y”. For example, the first time you, say, feel your home directory you’ll get a bunch of TCC requests asking if the host app (Terminal.app say) should be allowed to access those files.