Cyber Security

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Across
  1. 3. The malicious software is called
  2. 4. The one who hacks
  3. 6. malicious software that infects a computer and restricts users' access to it until a ransom is paid to unlock it.
  4. 7. Most common social engineering technique
Down
  1. 1. Common word for frauds
  2. 2. The knowledge
  3. 5. SMS+phishing
  4. 7. Your secret key to online accounts