- There's a lot of software out there for cracking wireless passwords, and most of it is legal. Why? Because it's sold as a way for network administrators to 'test' their network's security.
Of course, there's nothing to stop you 'testing' a network that you don't own, in a coffee shop or airport, for example.
Most cracking programs use your PC's CPU to do the hardcore number-crunching, but it turns out that the graphics card...