First, you didn't tell us whether you have a Wifi enabled computer or not.. If you have a laptop, then it probably has that option available.. If you have a desktop, since most do not have a Wifi adapter preinstalled, then you may need to install one.
Second, which operating system are you using as some security items are different depending on the OS version.
1. If you'r using Windows and you don't need to share files with other members of your dorm, disable/turn off "File and Printer Sharing for Microsoft Networks"..
How To Stop Sharing Files With The World
2. Enable the firewall.. You can use the one provided by Norton or simply use the Windows firewall which is included with XP or Vista.
3. Be careful as to which network you connect to.. Be sure you know the exact name/password of the campus network and be sure to identify that specific network when you first connect.. After the first connection, your computer should hook-up automatically but if you connect to a bad clone version of the network, it's possible for nefarious individuals to steal your personal information.
4. Use a good antivirus and antispyware program. I'll let you determine whether Norton 360 is such a program.
5. Use a complex password as your computer log on.. At a university, you want to be sure that you, and only you, can log into your computer.. If you haven't already, be sure to place a password on the default "admiistrator" login which can be viewed from Safe Mode.. It's one of those backdoors into an administrative account on Windows XP that many folks aren't familar with..
6. Last, but not least, surf safe.. The last thing you want to do is spend more money having a computer repair tech fix your computer because it's been taken over with spyware, etc.
Hope this helps.
In the fall I will be living on campus which offers 100% WiFi coverage. I have Norton 360 installed on my pc but am really oblivious to the situation Ill be in. I use internet banking and want to be sure my information and computer is safe from hackers. Any tips on preventing any problems I may have?