Answers
An ancient encryption technique where a set of letters is replaced by another set, shifted by a fixed number of places
Information that relates to an identified or identifiable individual, like full names, addresses, or bank details
Capturing or 'reading' data during its transmission over networks such as the Internet or WiFi
The method of converting data into a code to prevent unauthorized access, making it unreadable to interceptors
The process of converting encrypted data back into its original form, so it can be understood
