Today Apple just release a new firmware for the iPhone which fixes the vulnerability of the SMS hack. As we already know the SMS vulnerability could of allowed hackers to hack iPhone via text. The problem was addressed yesterday in the Black Hack Cybersecurity conference in Las vegas. The firmware 3.0.1 seems to be only a patch to fix the security problems. Apple as posted a summery of the 3.0.1 on the Apple site. It looks like the problem was really serious since apple acted so fast. Lets hope that this really fix the problems so we all can be worry free.
Warning: Just a quick warning to all of you who has a jailbroken device. This close all the possibilities of jailbreaking your device. I will keep you updated.