The HTC ones running HTC sense 5-6 features a "security" function on the lock screen that wipes out everything on the phone in the event the password pattern or pin is entered indirectly ten times. This makes sense of you don't want someone to get any information from your phone but what happens if for some reason you messed up on the lockscreen too many times?"oops, poof all gone". The biggest thing here is that someone,anyone who gets their hands on the phone can intentionally erase your phone right there from the lock screen. We want to be able to secure our phones without the fear of the security.