Hacked, as in people taking files from your computer, or if they're leeching files off one of your ports? Either way, I would say that if you check your firewall's logs, if there's activity when you weren't even on the computer. Or, if your hard drive or processor is active constantly, and you're not defragging or running an intensive program.
I'm online 24/7 (running a webserver for my status site), and I've <b>never</b> had a problem. I have the following implemented:
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BBIagent (Linux floppy based router) on an old Pentium I computer
• Stealthed ports
Panda Antivirus Platinum
Script Sentry
• Prompts you before running <b>any</b> script or registry edit
Eudora (email client)
• Safer than Outlook
Ad-Aware
Spybot Search & Destroy
Common sense
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The last one is the one that will keep you safe overall. Don't install stupid stuff, don't let websites install things onto your computer unless you read through carefully and see what it is (which is mostly likely unsafe), and to have good research. Asking questions is the best thing you can do, because it's most likely that someone else will know the answer to your question.
For example, when there's a new software program, I always cross-check other sites to see how people have rated a software product. I ask in my forums. I scan it for virii, and check it's EULA, TOS, and Privacy Policy. Overkill? That's sometimes what it takes...
Granted I don't have a software firewall (somewhat lazy), but I should...I'm just not sure of the extra difficulty configuration (if any) might cause me. But, the more levels of protection, the harder it will be to get into your machine.
(You can find all these software recommendations either in my software database or the forums.)
How's that bud?
Bryan
<A HREF="http
/www.btvillarin.com/phpBB/viewtopic.php?t=329" target="_new"><b>My System Rig</b></A> (courtesy of <A HREF="http
/www.btvillarin.com" target="_new">btvillarin.com</A>)