13ENCRYPTION
Encryption powers the modern internet. Without the ability to exchange data packets privately and securely, e-commerce would not exist, and users wouldn’t be able to safely authenticate themselves to internet sites.
The HyperText Transfer Protocol Secure is the most widely used form of encryption on the web. Web servers and web browsers universally support HTTPS, so the developer can divert all traffic to that protocol and guarantee secure communication for their users. A web developer who wants to use HTTPS on their site needs only to obtain a certificate from a certificate authority and install it with their hosting provider.
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