Network and telecommunications

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Across
  1. 2. someone who gets into other people's computer systems without permission
  2. 4. a computer system or program that prevents someone from seeing or using information on a computer without permission
  3. 6. a private computer network within a larger network such as the internet
  4. 7. A unique number that identifies a device on a network
  5. 8. someone who makes money using illegal methods
  6. 9. a system for connecting electronic equipment
  7. 10. A cyber attack that tricks users into giving personal information
Down
  1. 1. Software designed to damage or disrupt systems
  2. 3. The process of verifying a user's identity
  3. 5. a piece of electronic equipment that connects computer networks to each other