Different Types of SSL Certificates

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How does an SSL certificate work?
To enable HTTPS on your website, you need to install an SSL certificate. It contains a public key needed to securely log in a user.

When a website visitor requests an HTTPS connection to your website, the website sends the SSL certificate to the browser. This initiates the SSL connection and allows your browser and the website to share sensitive information privately.

For most people, SSL certificates can seem complicated to understand. Let’s break it down in simple terms. For example, let’s say you want to visit your favorite website. Behind the scenes, here’s what happens:

Verification : When you type the website into your browser, the website starts loading. Your computer receives the website's SSL certificate via a public key and verifies it with the certificate authority.
Connection : Your computer and the website server reach an facebook data agreement based on verification. If everything looks legitimate, the two computers create a secure connection called a “handshake.”
Encryption : Once the secure connection is initiated, your computer and the website server choose a type of encryption they will use to securely exchange data.
This process encodes and decodes information as it moves between your computer and the server. This protects any data exchanged from outside viewers by scrambling the information in an encrypted language.

Authentication : Finally, your computer decrypts the data. A padlock icon appears in the web address bar next to the website URL. This means you are free to browse the site with the peace of mind that your data is secure.
Here are different types of SSL certificates based on the level of security required:

Domain Validated Certificates : DV certificates are the least secure and are reserved for small business websites or blogging sites that do not exchange customer information.
Organization-validated certificates : OV certificates provide an extra layer of security. Websites that do not exchange sensitive customer information, such as credit card information or login credentials, use these certificates. Websites that capture contact information from potential customers are common uses.
Extended Validated Certificates : EV certificates offer the highest level of security for websites that exchange sensitive information. Websites that enable financial transactions require these certificates.