An SSL certificate is a digital certificate that authenticates a website's identity and enables an encrypted connection. SSL stands for Secure Sockets Layer, a security protocol that creates an encrypted link between a web server and a web browser.
Secure Sockets Layer (SSL) is a standard security technology for establishing an encrypted link between a server and a client—typically a web server (website) and a browser, or a mail server and a mail client (e.g., Outlook). ... More specifically, SSL is a security protocol.
The SSL certificate in e-commerce responds to the acronym Secure Sockets Layer. It was developed by Netscape in 1994. It is defined as a web protocol designed to provide greater security in online communications. This certificate provides a secure channel between two devices (mobile phones, computers, etc.)