Encryption (noun)

1. The process of converting data into a code, especially to prevent unauthorized access.
2. The use of a code or algorithm to protect sensitive information.

Origin:

From latin encryptus, from en- "in" + crypta "hidden place, vault".

Examples:

1. The company uses encryption to protect its sensitive data.
2. The encryption algorithm used by the government is considered unbreakable.
3. The email service uses encryption to protect the user's privacy.
4. The encryption ensures that the data cannot be read by unauthorized parties.
5. Encryption is used to protect credit card information during online transactions.