Computer security

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Across
  1. 2. the data we want to hide
  2. 3. unwanted email
  3. 5. harming or harassing others online
  4. 7. converting information into secret code
  5. 8. prevents unauthorised access to a network
  6. 9. software created to infect a computer
Down
  1. 1. occurs at the receivers side
  2. 2. never share it with anyone
  3. 4. computer expert who does the act of hacking
  4. 6. never save your password on a