NO.WWW = WORLD Wide Web
REGISTER or login:
Depends on if the system to be hacked is local only on has a presence on the Web... Example say Bank of America could be hacked from anywhere. If you had a small business that just used a computer for in-house processing and not connected to the web; then no. But who would want to hack that system. So the easy answer if you can connect to the web you system is at risk.