computer viruses

1234567
Across
  1. 2. part of a computer system
  2. 6. a type of virus named after a greek myth
  3. 7. when someone tries to make a machine or network unavailable
Down
  1. 1. an email when someone attempts fraud
  2. 3. a virus that replicates itself
  3. 4. a method of exchanging messages
  4. 5. unwanted computer software installed on your