mari

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Across
  1. 3. converting data into a code
  2. 5. a computer program to introduce faults into a PC
  3. 7. to pass harmful programs within files in computer
  4. 10. to find smth by searching carefully
  5. 11. software designed by criminals for ransome
  6. 13. traditional and ordinary
  7. 14. attempt to acquire information such as passwords
  8. 15. to change information that is in code
Down
  1. 1. the study of secret code systems
  2. 2. a set of websites on the internet
  3. 4. smth used to trick other people
  4. 6. information superhighway
  5. 8. computer tool for preventing viruses and hacking
  6. 9. obtaining information without permission
  7. 12. programs designed to damage computer systems