puzzle 7

123456
Across
  1. 1. To check for harmful software
  2. 2. A secret word to protect your account
  3. 3. Free from danger or harm
  4. 4. A way to send messages over the internet
  5. 6. Someone you know and trust online
Down
  1. 1. Someone you don't know
  2. 2. Information about you on a website
  3. 3. To let others see or use something
  4. 5. To secure something so others can't use it