VerisignVeriSign, the world-leader in online trust, has been upgraded and since April 2012 is Symantec. Find out more about Symantec SSL Certificates.
VettingAccording to the type of certificate you wish to purchase, the issuing authority (also called CA) may need to perform some background checks on you or your business.
The vetting procedure for DV certificates is pretty fast, your certificate should be delivered within 10 minutes as you do not need to provide any specific information on your business.
The vetting procedure for OV and EV certificates is much longer, considering that these certificates do not only provide a secure connexion between your servers and your users, but also guarantee the existence of your activity.
See more here.