While the term "SSL" remains the industry standard name, the modern protocol used today is actually . SSL was originally developed by Netscape in the mid-1990s but was eventually replaced due to security vulnerabilities. The Evolution of SSL and TLS | DigiCert.com
SSL Certificate: The Protocol for Web Site Security An is a digital data file hosted on a website's origin server that authenticates the identity of the site and enables an encrypted connection . By using SSL/TLS (Secure Sockets Layer/Transport Layer Security), websites can move from the insecure HTTP protocol to the secure HTTPS , protecting sensitive data like passwords and credit card numbers from being intercepted by malicious actors. The Evolution: From SSL to TLS SSL Certificate: The Protocol for Web Site Security