CLASS TEST - 2

1234567
Across
  1. 3. last checked is not used to scan viruses.
  2. 5. horse is a computer virus used to harm computer programs.
  3. 6. monitors computer activities of other devices.
  4. 7. finds a backdoor for access into other networks.
Down
  1. 1. messages steal user's personal details, passwords, etc.
  2. 2. does not harm computers with viruses.
  3. 4. is designed to gain unauthorized access to a computer.