here are some great tips to ensure safe internet usage.i found this info and alot more on www.astslavista.com hope this helps
1.update/patch all your software every now and then.
2.check/adjust ALL your settings so they are safe, since they arent by default.
3.use a firewall,like zone alarm.
4.use good passwords:at least 13 marks long,containing both letters and numbers,and change your passwords every few months.
5.get a good antivirus program F-secure or norton , and keep it updated
6.dont open or execute files that you are not completely sure of.
7.wipe your histories(like cookies, internet history and temp files)logs and personal files with specific wiping program like ERASER instead of just deleting them.
8.use encryption to enhance your privacy,use encrypted e-mail like hushmail or ziplip.and encryption sensitive files like PGP.
9.dont use public computers for anything you need to type in your logins usually there are trojan horses that capture your passwords.
10.dont assume anything.if you dont know find out.ask someone who knows.thats the best way to cripple your system or get a trojan horse on your computer.
THESE TIPS ARE ONLY BASIC PRECAUTIONS NOTHING MORE!! for more advanced safety take time to look up www.astalavista.com it WILL be WELL worth your time!!
PEACE INERTIA