diff --git a/static/faq.html b/static/faq.html index d0cbf009..134b842d 100644 --- a/static/faq.html +++ b/static/faq.html @@ -275,6 +275,13 @@ remove a legacy form of access to the serial number by legacy apps, which was still around for compatibility.
+Apps can determine the model of the device (such as it being a Pixel 3) either + directly or indirectly through the properties of the hardware and software. There + isn't a way to avoid this short of the OS supporting running apps in a virtual machine + with limited functionality and hardware acceleration. Hiding the CPU/SoC model would + require not even using basic hardware virtualization support and these things could + probably still be detected via performance measurements.
+In addition to not having a way to identify the hardware, apps cannot directly identify the installation of the OS on the hardware. Apps only have a small portion of the OS configuration exposed to them and there is not much for device owners to change - which could identify their installation. Apps can identify their own app installation - via their app data and can directly (until that's removed) or indirectly identify a - profile. Profiles should be used when separate identities are desired. Profiles can be - used as temporary ephemeral identifies by creating them for a specific need and then - deleting them. The rest of this answer only provides more technical details, so you - can stop reading here if you only want an overview and actionable advice (i.e. use - profiles as identities not inherently tied to each other).
+ which could identify their installation. Apps can detect that they're being run on + GrapheneOS via the privacy and security features placing further restrictions on them + and hardening them against further exploitation. Apps can identify their own app + installation via their app data and can directly (until that's removed) or indirectly + identify a profile. Profiles should be used when separate identities are desired. + Profiles can be used as temporary ephemeral identifies by creating them for a specific + need and then deleting them. The rest of this answer only provides more technical + details, so you can stop reading here if you only want an overview and actionable + advice (i.e. use profiles as identities not inherently tied to each other).Apps can generate their own 128-bit or larger random value and use that as an identifier for the app installation. Apps can create data in their app-specific