What is the difference between HTTP and HTTPS?

HTTP (HyperText Transfer Protocol) is a data transfer protocol on the internet that operates without encryption. HTTPS (HTTP Secure) is an extension of HTTP that uses encryption via SSL/TLS to protect transmitted data.

Main differences:

• Security: HTTPS encrypts data, protecting against interception and tampering.
• Port: HTTP typically uses port 80, HTTPS — 443.
• Certificates: HTTPS requires an SSL certificate to verify the authenticity of the server.

Example: when entering a password on a website via HTTP, the data can be intercepted, whereas via HTTPS — transmitted in encrypted form.