Cryptic Computing Crossword

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Across
  1. 5. A network of networks
  2. 6. A unique address given to every device
  3. 7. Making a fake wifi network
  4. 8. The process of making messages hard to read
Down
  1. 1. A piece of data
  2. 2. Something used to look at things on the WWW
  3. 3. Instructions to tell you how to communicate
  4. 4. An email sent out to steal your data