stay safe online

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Across
  1. 1. importantly / gravely
  2. 4. careful / alert
  3. 6. enter / reach
  4. 7. refresh / improve
  5. 9. online trick
  6. 11. cheat / fraud
  7. 12. refuse / decline
  8. 13. say / declare
Down
  1. 2. safety / protection
  2. 3. carelessly / relaxedly
  3. 5. worried / nervous
  4. 8. false / not real
  5. 10. set up / put in