"Crossward for computing (Hard)": HTML5 Crossword

Across

4. How to transfer data without wifi (3,5)
5. What does WWW stand for (5,4,3)
7. Why shouldn’t you click on links by unknown people (9,5)
8. What shouldn’t you put in a public username (8,7)
10. Another popular search engine (5)
11. What happens when trying to send an email without subject line (13)
12. What does full bars on wifi mean (9,4)
14. What makes a good password (2,5)
16. What does a computer worm do (10)
17. How to copy with keys (4,1)

Down

1. What should you put on your wifi (1,8)
2. What should be kept secret for other people’s safety (5)
3. What company created Chrome (6)
6. What does Bcc stand for (5,6,4)
9. How do you find what you want in the search option (3,8)
13. What is annoying but not a harm (7)
15. What does a wifi box connect to (6)