Data encryption is the
act of changing electronic information into an unreadable state by using
algorithms or ciphers.
Originally, data encryption was used for passing
government and military information electronically.
The translation of
data into a secret code. Encryption is the most effective way to achieve data
security.
To read an encrypted file, you must have access to a secret key or
password that enables you to decrypt it.
Unencrypted data is called plain text
; encrypted data is referred to as cipher text.