are

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Across
  1. 1. Local Area Network
  2. 4. Wide Area Network
  3. 5. A network security system
  4. 7. A hardware or software component
  5. 9. Central Processing Unit
  6. 10. Operating System
  7. 12. The fraudulent attempt to obtain sensitive information
  8. 14. Hard Disk Drive
  9. 15. Random Access Memory
  10. 16. Universal Serial Bus
  11. 18. Internet Service Provider
Down
  1. 2. American Standard Code for Information Interchange
  2. 3. Malicious software
  3. 6. The process of encoding information
  4. 8. Address Internet Protocol Address
  5. 9. A small text file stored on a user's computer
  6. 11. Unsolicited messages sent in bulk
  7. 13. Graphics Processing Unit
  8. 14. A reference to data
  9. 17. Basic Input/Output System