What is Secure Socket Layer (SSL)? Basically, it is the standard security technology used to encrypt online data. SSL offers encrypted communication between the web server (server-side) and the customer's web browser (client-side) when transmitting personal information such as credit card number, name and address. The SSL protocol uses Certificate Authority (CA) to issue 'digital certificates' to the authenticated company. The whole SSL process involves authenticating the server's identity, the ...