SiteAdvisor Enterprise is a security add on for Microsoft Internet Explorer and Mozilla Firefox browsers that identifies sites linked to spyware adware spam viruses browser based attacks phishing or online fraud This version of SiteAdvisor Enterprise can be deployed in the following versions of ePolicy Orchestrator 3 6 1 and 4 0 This version of SiteAdvisor Enterprise can be installed over the previous version It is not necessary to uninstall the previous version As a new feature policy settings for HTTP proxy servers can be configured