Across
- 4. an impression or mark made on a surface by a person's fingertip, able to be used for identifying individuals from the unique pattern of whorls and lines on the fingertips.
- 6. each unique piece of hardware on a network has a MAC address
- 7. the state of being protected against the criminal or unauthorized use of electronic data, or the measures taken to achieve this
- 8. a secret word or phrase that must be used to gain admission to a place.
Down
- 1. the process or action of proving or showing something to be true, genuine, or valid.
- 2. the process of converting information or data into a code
- 3. A piece of data sent over a network. Messages have to be broken down into binary data packets before they are transferred.
- 4. A device or system used to protect a network from unauthorized access.
- 5. A unique identifier issued to each device connected to a network