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+---
+aliases: androidhardening, android-hardening, androidhardening-project, android-hardening-project, copperhead, copperhead-os, copperheados, graphene-os
+created_by: Daniel Micay
+display_name: GrapheneOS
+github_url: https://github.com/GrapheneOS
+logo: grapheneos.png
+related: android, security, privacy, hardening
+released: 2014
+short_description: GrapheneOS is a private and secure mobile operating system with Android app compatibility
+topic: grapheneos
+url: https://grapheneos.org/
+wikipedia_url: https://en.wikipedia.org/wiki/GrapheneOS
+---
+GrapheneOS is a free and open source privacy and security focused based on the Android Open Source Project (AOSP). It deploys a hardened kernel, [hardened memory allocator](https://github.com/GrapheneOS/hardened_malloc), [C library](https://github.com/GrapheneOS/platform_bionic), [SELinux policies](https://github.com/GrapheneOS/platform_system_sepolicy), [WebView, and Chromium-based browser (Vanadium)](https://github.com/GrapheneOS/Vanadium).