Cryptography is the art of creating mathematical techniques to secure information. It involves scrambling information using algorithms and keys, making it unreadable by anyone without the necessary decryption key. Data transmitted over a network can be vulnerable to interception, especially on unsecured connections. This has become a greater concern with the widespread use of the Internet. While some data might be transmitted unencrypted, modern protocols like HTTPS encrypt communication between web browsers and websites for increased security. Encryption remains a valuable tool for protecting the privacy of sensitive data transmitted over networks.
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