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