If your site has a login, you need SSL to secure usernames and passwords.
If you are using forms that ask for sensitive customer information, you need SSL to stop your customer data from being appropriated by hackers.
If you’re an ecommerce site, you may need an SSL certificate.
What happens if you don’t have SSL?
If you don’t have the SSL certificate, a secure connection cannot be established, that means, your company information will not be digitally connected to a cryptographic key. SSL Certificate has the following information: Name of the holder. Serial number and expiration date.
Is SSL necessary for email?
An SSL connection encrypts your email traffic so that it cannot be read at any point between your computer and the Purple Dog mail server that you are using. However, at least your connection to the server is more secure. SSL / TLS email is a free technology, and available with all mainstream email clients.
Is https necessary?
Short answer: If you see that little padlock in the address bar of your web browser, you’re visiting a secure website. But now, even if your website is primarily an informational site (and you’re not selling products or services directly from your site), it’s still recommended to use HTTPS.