Extended Validation (EV) certificates were launched in January 2007. EV certificates are an effort to define a standard for a high assurance SSL/TLS certificate and create a new trust foundation. The EV Guidelines are managed by the leading browsers and certification authorities (CAs) through the CA/Browser Forum, and have been since launch.
Provide your users with visual cues that indicate your site is secure. Extended Validation SSL can facilitate online commerce by increasing visitor confidence and reducing the effectiveness of phishing attacks.