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android will be a secure operating system out of the box one day. maybe
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Please help get the word out about what has happened with Copperhead. They're tricking people into buying an insecure product misrepresented as hardened. It isn't even updated to Android 9 and lacks full security updates. Pixels don't receive full security updates via Android 8.
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The main weakness that's more and more glaring is the need to replace the Linux kernel with a microkernel. The progress on kernel exploit mitigations and particularly attack surface reduction in Android doesn't make up for it becoming increasingly complex with each release.
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There's tons of work being done on userspace hardening including splitting up monolithic processes into sandboxed components, moving to memory safe languages, etc. The kernel remains a massive C codebase in a single address space where mitigations don't work as well as elsewhere.
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