Does anyone even know what hint.io does? The links in their "Your account has been compromised" lead me to a login page for the beta site, which of course I do

Does anyone even know what hint.io does? The links in their "Your account has been compromised" lead me to a login page for the beta site, which of course I don't have an account for. Very odd to advertise for a site which then the "users" can't use.