Most of the attacks on Wordpress websites are through insecure plug-ins. We will update your core WordPress installation, plug-ins and themes each month and/or when required. This is not a 100% guarantee your site won't get attacked or infected but it will greatly reduce the chance.
Once a month your site will be completely backed up off site, as an extra precaution. Since Wordpress sites are built live on the server, there is only one copy of you site. Should your site ever become damaged beyond repair it can be restored from the latest backup.