Android Developers Blog · Android · 2026-08-24
AAOS SDV - Secure by Design
Posted by Markus Vill, Software Engineer, Sean Keys, Security Engineer, and Istvan Nador, Software Engineer, Android Auto At Google, we believe our products should be secure by design, which is why we built the Android Automotive Operating System for Software Defined Vehicle (AAOS SDV) on existing, market-proven platforms , leveraging virtualization technologies like Cuttlefish . While our release announcements focused on the features, this blog post outlines some of the security concepts. Foundation: Domain Isolation Virtualization to isolate co-hosted instances The current trend of consolidating Electronic Control Units (ECUs) into a single chip reduces isolation by running multiple domains side-by-side. While AAOS SDV instances provide internal isolation mechanisms, it is often preferable to run logical domains independently. For instance, a cluster and an infotainment system have distinct requirements. We use virtual machines to run multiple instances in parallel, ensuring that sharing remains explicit and isolation is the default behavior.
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