In order for your customer's browser to seamlessly use an EnterpriseSSL Certificate, they must trust our 'Root Certificate'. Our Root (provided by Betrusted Technologies) is trusted by over 99.9% of all current browsers (see browser compatibility details), comprising all Internet Explorer 5.00, Firefox 0.1 and above , Netscape 4x and above and AOL 5 and above and comes pre-installed with all Windows 2000, Windows XP and Windows Vista operating systems. This browser compatibility makes EnterpriseSSL as trusted as Verisign and Thawte.