Explore the intricacies of a "0-click" exploit that remotely compromises an iPhone through iMessage in this conference talk from the 36th Chaos Communication Congress. Dive deep into the iMessage software architecture and learn about a critical memory corruption vulnerability. Follow a detailed walkthrough of the exploitation process, including techniques to bypass iOS security mitigations. Gain insights into generic exploitation methods applicable to other vulnerabilities, messengers, and platforms. Discover how to initiate research in this field and understand proposed mitigation strategies for mobile OS and messenger vendors to enhance security against such attacks. While basic knowledge of memory corruption vulnerabilities is recommended, the talk is accessible to those interested in mobile device security and advanced exploitation techniques.