How important are SSL certificates, and can I get them anywhere?

Data sent over the internet requires encryption and should be sent in a secured manner, the SSL is a secured layer for data. It is highly recommended for data protection.

To get one, you can check with the Website host providers, they can offer the suitable plans. 

SSL Protects Data. The core function of an SSL certificate is to protect server-client communication. On installing SSL, every bit of information is encrypted. ... While dealing with sensitive data such as IDs, passwords, credit card numbers, etc., SSL helps you protect against the mischievous army of hackers and skimmers.