In data security, the process of converting plaintext into unreadable ciphertext using an algorithm and a key is called ________.
- Decryption
- Encoding
- Encryption
- Hashing
Encryption is the process of converting plaintext data into unreadable ciphertext using an algorithm and a key. It ensures data confidentiality by making it difficult for unauthorized parties to understand the original message without the correct decryption key. Encryption plays a crucial role in protecting sensitive information in transit and at rest.
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