Kingston IronKey Locker+50 G2 pros and cons Pros Military-grade encryption Built-in brute-force protection Starts at only $50. Cons USB-A connector, so it needs a dock or converter for modern systems Cap is easily lost No lanyard. $124.99 at Amazon Follow ZDNET:  Add us as a preferred source  on Google. Carrying data around on unencrypted drives is just asking for trouble . Lose the drive, and not only are you down the device, but also all its data is open to anyone who finds it. If you run a business, this loss can be a fast track to fines and regulatory headaches. I recommend that anyone who needs a flash storage device should use hardware-encrypted flash drives .  With this approach, if you lose the drive, you're only down the drive. Also: A common charging habit was quietly killing my iPhone's battery - here's the fix For the past few weeks, I've been testing the Kingston IronKey Locker+50 G2 flash drive , and while it's not perfect, it's a great solution for most people. Hardware vs.…