File encryption helps keep your sensitive data secret from all but those who are authorized to see it. With EncryptFile, research or computation results, Wolfram Language code or other sensitive information can be stored in an encrypted form accessible only with your password, provided through an interactive AuthenticationDialog.
Suppose you have some sensitive data you need to save in a secure way.
Safely encrypt the file by typing your password in an interactive authentication dialog.
Delete the original file.
When you wish to access your data next time, simply decrypt it using the same password.
Import the file semantically to work with it as a Dataset object.