The first reported iPhone “worm” has validated a key piece of advice from the updated version of “Internet Security for Your Macintosh and iPhone” (a part of our new DoorStop 2.3 security product line). The worm only attacks jail-broken phones with SSH installed and the default password unchanged. As such, it’s unlikely to affect many people, but may be an indication of things to come.

The main point for readers of this blog is simply what we stated in the book:

1. Jailbreaking is the worst thing you can do for iPhone security. DON’T DO IT!
   

Clear enough, we hope. (If you use an iPhone and don’t know what jail-breaking is, you should have the book!)