Apple’s iOS 12 has basically rendered brute-force iPhone hacking tools such as the GrayKey box ineffective, Forbes reports. The GrayKey box, produced by Atlanta-based company Grayshift has been used widely by governments and law enforcement agencies to bypass iOS security, and was able to do so even with the latest iPhone models running iOS 11. Apple entered a cat-and-mouse game with Grayshift in trying to clamp down on iOS security, but the…