Internet safety crossword puzzle

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Across
  1. 2. information that corrupts data in the form of something like free download
  2. 4. everything you post or type gets left behind
  3. 5. a digital lock
  4. 6. extra layer of defense to that lock
  5. 8. Manages both software and hardware
  6. 9. bullying people online
Down
  1. 1. extends private network across public network
  2. 3. insane amounts of data disguised
  3. 5. fake links or emails to steal your data
  4. 7. masking your data