Jailbroken iPhones all have one thing in common, the SSH application is installed on them. This is used as part of the jailbreaking process. Thing is, someone can use this to log into your phone and wreck havoc on it. Especially since the default password is well known.

Follow this tutorial to change the default password of your Jailbroken iPhone. If you’re not jailbroken, don’t worry, you are safe.