The iPhone had its security growing pains when it was first released, and now Droid has its own flaw that lets anyone bypass your password screen with just the push of a button.
Normally, Droid users are asked to input a pattern using onscreen dots before they can access their homescreen. But apparently, when the phone has an incoming call, all an infiltrator has to do is press the dedicated "Back" button to get to your emails, contact lists, and other personal information.
According to a statement issued to TechCrunch, Google is "aware of the issue" and working on a fix, but there's no timetable for how long that will take. So far only Android 2.0.1 Droid phones seem to be affected. We'll update as soon as we hear that the issue has been resolved. [The Assurer via TechCrunch]