Yang-Giun Ro

Sr. Solutions Engineer Zimperium

Yang-Giun is not native to the developer scene but comes to us from the BizOps side of our wider eco system. With a tenure at Samsung, Soti and Google he now consults Zimperium clients on how to orchestrate security for their apps to streamline workflows. Yang-Giun is a native Berliner with Korean heritage so feel free to ask him about restaurant recommendations to make your time in Berlin as fun as possible.

Modern Android App Security: Protecting Code, Keys, and Data

Abstract In today’s mobile landscape, Android apps are prime targets for reverse engineering, key extraction, and tampering, especially with tools like Magisk, Frida, and advanced malware campaigns. This 20-minute talk breaks down the real-world threats Android apps face today and shows how to defend against them effectively, without compromising speed or usability. We’ll move beyond generic advice and focus on what actually works in production, covering advanced obfuscation, anti-tampering, runtime protection, and key management strategies. Whether you're building a high-scale consumer app or a work app, you’ll leave with practical guidance you can apply immediately from development through deployment. Key Takeaways - Learn how attackers use rooting, dynamic instrumentation, and reverse engineering to compromise Android apps. - Understand the limits of ProGuard/R8 and when to apply stronger protections like anti-tampering and advanced obfuscation. - Discover best practices for securing cryptographic keys and sensitive logic inside the app.