http://www.faqs.org/docs/securing/chap29sec245.htmlUser daemon
->The option User specifies the UID that Apache server will run as. It's important to create a new user that has minimal access to the system, and functions just for the purpose of running the web server daemon.
Group daemon
->The option Group specifies the GID the Apache server will run as. It's important to create a new group that has minimal access to the system and functions just for the purpose of running the web server daemon.
Like I said this is a valid non-privileged user only intended for the initial setup of apache. Unless your site is complaining about it, don't worry about it as it won't cause any security issues.