You can turn your extra USB port into a master key - here's how

Privacy and security concerns are becoming more commonplace as data sharing becomes more commonplace. Here's how to lock down ...
来自MSN

I turned a USB stick into my personal security toolkit — and it cost nothing

You may assume a USB stick is merely for storage, but it can be more than that. You can turn it into a portable security environment that's totally under your control. It can be a device you plug into ...