Network security

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Across
  1. 2. the alteration of data format to make them useless
  2. 3. Connected to provide file storage for devices in a network
  3. 10. A set of rules that governs how communication on a network
  4. 11. intended for a specific purpose
  5. 12. to change something to make it better or worse
  6. 14. a business needs to prevent this from happening
  7. 16. prevents legitimate users from accessing network services
  8. 17. gaining unauthorised access to a device and it's contents
  9. 20. checking if a user should be granted access to a device or network
  10. 22. unauthorised viewing of data transaction
  11. 23. place to store files which is accessible from anywhere if the Internet is available
Down
  1. 1. It's a security system that controls data coming in and going out
  2. 4. confidential, and can lead to harm if exposed
  3. 5. jumbling of data to prevent interception by everyone
  4. 6. word or phrase used to gain access to something
  5. 7. a combination of characters
  6. 8. software is designed to harm and disrupt a device's processes
  7. 9. a pattern of numbers used to gain access
  8. 13. the network of networks
  9. 15. data that is harmful
  10. 18. Certain users who are given specific privileges
  11. 19. data saved separately in order to retrieve in case of a loss
  12. 21. data that is secret