User ❌ Levels control who can access all the folders and files on a network ❌ Different groups of users can be ❌ different rights, for example some may be able to read ❌, while others can edit or delete them.

Strong Passwords ensure each user's account remains ❌. They should be changed ❌ and have different ❌ for different sites. It should contain upper and lower case ❌, numbers and characters, but not user identifiable items e.g. ❌ of birth, phone number.

Encryption converts ❌ into a form that cannot be ❌ by unauthorised ❌. The message is encrypted with recipient's ❌ key. The recipient ❌ it with their own private key.