Cyber threats and security

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Across
  1. 4. process of converting into a a form that is not readable
  2. 5. to an illegal entry into a computer system
Down
  1. 1. process of converting of encrpted information back into to readable form
  2. 2. a computer compromised by malware
  3. 3. the receiver is tricked by making him/her believe that the massage is received from trusted source