Different types of SSL certificates

Validation difference between SSL certificates when issued.
Priyanka Sharma
Priyanka Sharma

Created: 05/29/2020 12:12 PM - Updated: 05/29/2020 12:12 PM

While searching about SSL certificates, you'll see some differences in the type of validation they offer.

SSL certificates provides three types of validation:

  • DV (Domain validation)
  • OV (Organization validation)
  • EV (Extended validation)

There is no difference in the encryption protection these certificates offer, however there is a difference in the validation required to issue them to your site.

The validation method describes how the certificate is verified by the issuing Certificate Authority. This ensures that the site it's being issued to is correct and authorized to use it.

Domain validation (DV)

 Example:  'Let's Encrypt' certificates are included in this type of validation.

These types of certificates are validated using only the domain name. As such, the name of your website is not included in the certificate itself when viewing it. Anyone with admin rights to the website's panel can add a 'Let's Encrypt' certificate. After adding in the panel, the certificate is added automatically.

Although they offer the same level of encryption as OV certificates, these certificates do not show the actual site name within the certificate,  These are potentially vulnerable to phishing attacks. For such  reasons, these are not recommended for e-commerce sites that process payment information and are suitable for blogs, forums or personal sites.

Organizational validation (OV)

Example:   Paid Sectigo certificates are included in this type of validation.

These validate everything a (DV) does, while also validating additional organizational information about who is purchasing the certificate such as their Name, City, State, Country. The organization's name is also included in the certificate. This adds an additional layer of trust to visitors in that they can ensure the website and company are reputable.

(OV) certificates may require the user to respond to an email with a verification code which must then be entered into Sectigo's website. 

These certificates can be used on e-commerce sites to process payments.

Extended validation (EV)

 Example:  Nexahost certificates are included in this type of validation.

EV certificates ensure the highest amount of trust to visitors as they require the most information to be validated in order to be issued to the site.

They can be noted by the green URL bar displayed in the browser when visiting the site. This is a quick visual confirmation to the user that the site they are visiting has taken the maximum steps to ensure to confirm to users the site they're visiting.

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