Puzzle #33

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Across
  1. 4. - a type of computer virus that replicates itself and spreads to other computers
  2. 6. - a type of computer virus that appears to be legitimate software but is actually malicious
  3. 8. - a digital currency that uses cryptography for security
  4. 10. - any software that is intentionally harmful
  5. 11. - a type of fraud that uses emails or websites to steal personal information
Down
  1. 1. - a malicious attempt to damage or disrupt a computer system
  2. 2. - software that displays advertisements
  3. 3. - software that collects information about a user without their knowledge
  4. 5. - a decentralized, secure system for storing and transmitting data
  5. 7. - a set of protocols and tools for building software applications
  6. 9. - a type of malware that encrypts a user's data and demands payment to restore access