Browsing safely

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Across
  1. 4. illegal entry into a computer system
  2. 5. act of harassing someone using a internet
  3. 7. criminal activity used to harm someone with a internet connection
  4. 10. it scans,prevent and destroy viruses
  5. 11. the receiver of a message is fooled
  6. 12. it can carry out cyber extortion
  7. 13. prevents unauthorised access
  8. 15. a program or a set of programs
Down
  1. 1. fraudsters pretend to bank or financial organisation
  2. 2. unethical hackers who steal personal information and do fraudulent tasks
  3. 3. two step authentication involves this word and your password
  4. 6. act of sending an email to mislead him to steal his information
  5. 8. antivirus developed by
  6. 9. an impression created when you visit a website
  7. 14. a major threat for people who use internet for online shopping,cash transactions and bank services