I would like to contact regarding an issue we are having, and I can't get past the security..
If you have an account with dreamhost you can contact support via the panel https://panel.dreamhost.com/index.cgi?tree=support.msg&
If you are locked out of your account you will need to use the public contact form. https://www.dreamhost.com/support/
Use method 1 unless you can't. Be aware that for method 2, that if they suspect fraud or potential fraud they won't engage, or even reply to tell you that.