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Across
  1. 2. a type of network where anyone can connect without authentication, often found in cafes, airports, etc.
  2. 3. Method of protecting your accounts with more than one form of authentication.
  3. 4. A scam where attackers impersonate someone from within the organization to trick employees into sending money or sensitive information.
  4. 5. A method of encrypting data during transmission over a network, often used in public networks to enhance security.
Down
  1. 1. Technique used to erase visible data from the screen to prevent unauthorized access.