Secure your website with SSL Certificate

What is an SSL certificate?

An SSL certificate is a type of protocol (digital file) which has two most important functions:

Authentication

SSL certificate has information about the authenticity of specific details which are used to identify a business, person or website. These details would be visible to the visitors when they click on the padlock symbol in the browser’s address bar. The extended validation certificate requires thorough verification & hence makes it the most trusted SSL certificate.

Encryption of data

Data encryption allows the exchange of sensitive information through the website without being intercepted & read by anyone other than the intended recipient.

The reliability of an SSL certificate persists when issued by certificate authority (CA). The CA follow strict rules for verification purposes & decides whether an entity is liable to get an SSL certificate or not.

Working of SSL encryption

SSL certificates perform encryption & decryption process with the help of public & private keys. You cannot access the information until/unless you have the right key combination. An SSL session works in the following manner:

1. A public key is send to the Web browser by the server which is not encrypted.
2. The Web browser creates a session key and encrypts it with the Public key which is then send back to the Web server
3. The web server decrypts this using one of its private key. The secured connection is established between Web browser and server.

As the Encrypted session key is known to only intended participants, the threat of any attack from outside hackers or malware would be negligible.

How do we come to know that a site has a valid SSL certificate?

• SSL certified website will display https:// before the address in address bar of web browser. This means Secure HTTP
• A padlock symbol would be available at the top or bottom, depending on the web browser we are using
• Website displays a scured trust seal. When you click on secured seal symbol of web page, we’ll see the information about the certificate
• When browser detects an extended validation certificate (EV), the address bas turns green. If there is any mismatch in the information, the browser displays an error message

Usage of an SSL certificate!

SSL certificate used to secure transmission of data. Some of the examples are as follows:

• Used to secure communications on intranet
• Requires where secured environment is required for the data communication between web browser & web page
• SSL certificate is used in PCI DSS compliance (Payment card industry data security standard compliance)
• Use of SSL helps in improving SSO (google rankings), As google supports SSL certification and prioritize consider this as one of the parameters for SSO rankings
• SSL secures email communications sent to & from your network
• SSL helps in protecting critical data by encrypting information between servers

Apart from desktop/laptop devices, SSL secures information sent and received through mobile devices.

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