A Google search of the term ?bump keys? provides 50,200 results, a lot for a term many of you might not be aware of but a minute number in a world where ?Britney Spears? generates 99,300,000 results and ?Barack Obama" nets 29,600,000. But that doesn't mean bump keys aren't big. Depending on whom you talk to, this illegal activity is on the rise. In a nutshell, a bump key (shown) allows a burglar to modify a key and use it, along with a ?bumping? tool like a mallet or hammer, to open a lock. What?s disturbing about the Google results for bump keys is that the search links you to video tutorials on how to pick locks and sites that sells bump-keys sets that, as one puts it, ?Easily open doors and locks.? Read ?Unlocking the truth behind bump keys? to learn how to avoid break-ins at your home. And follow our advice below to prevent a break-in at your home.