Internet Security Crossword puzzle

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Across
  1. 2. Who can communicate and control servers if their computers get an infection?
  2. 4. What is the main thing Malware tries to attack?
  3. 5. What type of internet hack uses fake sources of emails?
  4. 7. What can Malware use to send more viruses?
Down
  1. 1. What is an alternative to internet security?
  2. 3. Who can collect your user credentials?
  3. 6. What can Malware steal if it gets into your device?