Explore the process of jailbreaking iOS 7.1.1 in this 44-minute Black Hat conference talk. Delve into the techniques used to exploit incompletely patched vulnerabilities in complex software systems like iOS. Learn how to chain together these vulnerabilities to run unsigned code outside the sandbox with root permissions and bypass mandatory code signing. Discover new attack vectors and exploit techniques developed by the presenters, including detailed disclosures of several previously unknown vulnerabilities. Gain insights into the challenges of patching modern software systems and the potential consequences of incomplete fixes.