HTTPS stands for HyperText Transfer Protocol Secure, a secure version of HTTP that encrypts data and verifies identity. Learn about the history, features, benefits and restrictions of HTTPS , and how it differs from HTTP. Advertising made simpler for you. Read about new Advertising Trends, Campaigns, and Strategies. HTTPS (HyperText Transfer Protocol Secure) is an encrypted version of the HTTP protocol. It uses TLS to encrypt all communication between a client and a server. This secure connection allows clients to safely exchange sensitive data with a server, such as when performing banking activities or online shopping.