I was discussing this with a friend a while back and were both talking about, an experienced hacker could do the following, visit the local Internet Cafe, use an external hard drive link it up launch the tools from there and just d/c the HD and leave.

Would this be of any value? Then we started discussing the ways of tracking it. I woulnd't know how but wouldn't this leave traces of the hardware being detected?

Then we got to the point were we saw, "pre-paid" internet, then what if you were to use this prepaid internet, where you just "buy" it get your login/pw and then you use your external h/d with your tools and and the likes on it and begin your adventure?

This has been probally been discussed before, but my main question is.

Who in the world would make prepaid internet access avaiable? Isn't this a HUGE security loophole?