Cybertrust’s Extended Validation (EV) SSL Certificates are next generation of high assurance SSL certificates. The address bar in IE 7 will turn green to certify that the Web site and its owners identity have been researched and certified as legitimate. Users should proceed with caution before conducting online transactions, Cybertrust says. For example, the address bar will not turn green if Web site does not have an EV SSL certificate, indicating to users that they should proceed caution before using it.”]
Source: https://www.darkreading.com/attacks-breaches/cybertrust-intros-certificates