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Inside Android’s SafetyNet Attestation: Attack and Defense

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Inside Android’s SafetyNet Attestation: Attack and Defense
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167
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CC Attribution 4.0 International:
You are free to use, adapt and copy, distribute and transmit the work or content in adapted or unchanged form for any legal purpose as long as the work is attributed to the author in the manner specified by the author or licensor.
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SafetyNet Attestation is the primary platform security service on Android. Until recently you had to use third party tools or implemented your own app integrity checks and device rooting checks. Today you can use Android's SafetyNet Attestation infrastructure to ensure the integrity of your application and the user's device. Unfortunately, SafetyNet Attestation is not well documented by Google. This talk is split into three parts. Part one provides a deep dive into SafetyNet Attestation how it works. Part two is a guide on how to implement and use it for real world applications. This is based on the lessons learned from implementing SafetyNet Attestation for an app with a large install base. The talk will provide you with everything you need to know about Android’s SafetyNet Attestation and will help you to implement and use it in your app. Part three presents attacks and bypasses against SafetyNet Attestation. The attack method targets not only SafetyNet but other similar approaches. New tools and techniques will be released at this talk.
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