encrypt
verb [ T ]
uk/ɪnˈkrɪpt/ us IT
to protect private information by putting it into a form that can only be read by people who have the permission to do so:
The software encrypts data that is sent over the internet.
The email is encrypted, so you need to enter a password to read it.
Compare
decrypt
encryption
noun [ U ]
Our wireless network uses the latest data encryption standard.
An encryption key is needed to decode the data.
Compare
decryption