The need for encryption

In the Internet a lot of private data is being exchanged. For example banking information, health data, or email passwords. It is a bad idea to transfer such data unencrypted or in plain text, because it can easily be captured by an attacker and used.

In the Internet most of secure information is being encrypted. Whenever you see https in front of domain name or lock icon in the information about this site, it means this connection is secure.

Google for example encrypts search results. Search data can reveal a lot about such a person interests.

Encrypting data comes with additional processing load.

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