The jailbreak for iOS 6 was one of the most difficult to come by for the hacking community. A tethered jailbreak for older devices hit shortly after Apple launched the OS, but an untethered jailbreak seemed like it was never going to happen. Of course, the evad3rs crew eventually made it happen with the evasi0n jailbreak tool. Not long after it came out, Apple already has iOS 6.1.3 in beta, which is set to fix at least one of the exploits used for the evasi0n jailbreak.
Read the full article: iOS 6.1.3 will kill evasi0n jailbreak