Signing with default password

Monkey Targets Forums/Android/Signing with default password

Boulderdash(Posted 2014) [#1]
I have purchased a Google Play Developers Account and I have generated my first signed Android program, so far so good...

My question is that I have used the default password which is "password" is this a bad idea, will hackers do something to melt down my game/app and recreate there own, will it explode, what could happen ?