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Those apps are choosing to depend on Play Services and use SafetyNet attestation to verify that it's a certified release without tampering. The issue is ultimately apps choosing to do that not Google improving SafetyNet attestation to make it less trivial for attackers to bypass.
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Auditor can only support OSes leaving the security model for attestation and verified boot intact. If there's a way to grant root access to the application layer, that's not compatible with the security model. Verified boot accomplishes little if persistence as root is supported.
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Granting the ability to tamper with the core operating system and other applications breaks the security model for verified boot. There has to be a verified core OS not trusting the persistent state (including applications and their permissions) for the security model to work.
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The hardware-based attestation provides basic information on verified boot state, patch level, etc. The hardware-based attestation feature supports chaining trust through the OS to the app and for that to be meaningful it has to protect Auditor from tampering by other apps, etc.
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The foundation of Auditor is that an attacker can't fake the hardware-based attestation information without exploiting the bootloader or secure element (or the TEE on lesser devices). OS level checks are given meaning by the hardware-based portion providing the patch level.
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An attacker can fake OS level checks by temporarily exploiting the OS, but they need to exploit it on each boot and they can't just hold back OS updates without risking detection via patch level from hardware. Auditor is a supplement to verified boot addressing some weaknesses.
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I see different things mate. Mobile is full of remote, zero clicks, attacks. PCs usually require interaction. Mobile may be a bit harder but the expanded attack vectors compensate for it. And BTW: Secure boot on iOS will show "yes" even when the boot was tampered with ✌️
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> Mobile is full of remote, zero clicks, attacks. PCs usually require interaction. Mobile may be a bit harder but the expanded attack vectors compensate for it. You're making some very extraordinary claims without backing them up with any evidence and it doesn't match reality.
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