If you're eager to learn more and continue developing your skills on mobile security here's a list of resources that will take you to the next level:
- My Blog - Ivan Rodriguez (@ivRodriguezCA): Link
- Sarah' Blog - Sarah Edwards (@iamevltwin): Link
- iOS and macOS Internals, Volume I & II & III - Jonathan Levin (@morpheus______): Link (Use Apple Pay if you can to help J with Amazon's 20% fee)
- Beginner's Guide to Exploitation on ARM, Volume I & II - Billy Ellis (@bellis1000): Link
- Youtube mini-series on getting started with Reverse Engineering Android APKs - Kristina Balaam (@chmodxx_): Link
- Allyson's Blog - Allyson O'Malley (@ally_o_malley): Link
- Objective by the Sea (Conference) - Patrick Wardle (@patrickwardle): Link
- NowSecure's Blog - (@nowsecuremobile): Link
- [PDF] Hacking iOS Applications - Security Innovation (@SecInnovation): Link
If you have more link let me know and I'll add them.