My crossword

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Across
  1. 4. a form of bullying on the internet
  2. 6. an attempt to trick someone into giving information over the internet or by email
  3. 7. protecting against computer viruses
  4. 8. a place on the Internet where people can leave messages or discuss particular subjects with other people at the same time
Down
  1. 1. the act of illegally copying a computer program, music, a film, etc. and selling it
  2. 2. a type of intellectual property that gives its owner the exclusive right to made copies of a word
  3. 3. a global system of interconnected networks
  4. 5. unwanted email, usually advertisements
  5. 6. a secret word or combination of letters or numbers, used for communicating with another person or with a computer to prove who you are
  6. 9. computer software that is designed to damage the way a computer works