Brute force attacks

My hoster has implemented a curtain stopper username/password which, I suppose, would be common to all subscribers – it means notifying them that they now need two layers of security. However, this is going to m massively deter anyone from logging in (I currently use S2 Member) and perhaps WP needs to do some PR to help its user and ensure that all of the available plugins are not negated by these actions. I use other security plugins too.