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123456
Across
  1. 1. record the address to enable quick access in future
  2. 3. software that is specifically designed to disrupt, damage, or gain unauthorized access to a computer system
  3. 5. text files with small pieces of data
  4. 6. a form of social engineering and scam where attackers deceive people into revealing sensitive information
Down
  1. 2. malicious attack that involves injecting harmful code into legitimate online advertising networks
  2. 4. a secret word or phrase that must be used to gain admission to a place