Cyber attacks

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Across
  1. 3. an attempt by hackers to damage or destroy a computer network or system
  2. 5. fraudulent message designed to trick a person
Down
  1. 1. software that is specifically designed to disrupt, damage, or gain unauthorized access to a computer system
  2. 2. the state of being free from danger or threat
  3. 4. An advanced persistent threat
  4. 6. short for Internet Protocol.