Comment by Tazerface@sh.itjust.works on Who owns your shiny new Pixel 9 phone? You can’t say no to Google’s surveillance

Google’s latest flagship smartphone raises concerns about user privacy and security. It frequently transmits private user data to the tech giant before any app is installed. Moreover, the Cybernews research team has discovered that it potentially has remote management capabilities without user awareness or approval.

Cybernews researchers analyzed the new Pixel 9 Pro XL smartphone’s web traffic, focusing on what a new smartphone sends to Google.

“Every 15 minutes, Google Pixel 9 Pro XL sends a data packet to Google. The device shares location, email address, phone number, network status, and other telemetry. Even more concerning, the phone periodically attempts to download and run new code, potentially opening up security risks,” said Aras Nazarovas, a security researcher at Cybernews…

… “The amount of data transmitted and the potential for remote management casts doubt on who truly owns the device. Users may have paid for it, but the deep integration of surveillance systems in the ecosystem may leave users vulnerable to privacy violations,” Nazarovas said…

Installing GrapheneOS removes all the Google crap.

What is the advantage over Calyx/Lineage/iode OS on compatible devices? I just don’t want Google to have any of my money at all. Buying a privacy solution from them recoups their loss.

It’s my understanding that Graphene has security as its main goal, not privacy, though it’s also quite private.

I don’t know about Calyx or Iode but Lineage doesn’t allow for a locked bootloader. This is a massive security hole and without security, sooner or later, your privacy will be violated.

Currently, GrapheneOS on a newer Pixel are the only phones that Celebrite can’t breach. Celebrite machines are cheap enough that the border guards and your local cops probably have one. In my country, it’s the law that a cop is allowed to examine a phone during a traffic stop.

Schools even have Cellebrite devices now, that is how prolific they have become. GrapheneOS has a duress password to wipe the phone and you can block all data or even power to the USB port while the phone is running. If you blocked all power to the USB port while the phone is on the only way to charge it is if it is fully turned off putting your encrypted data at rest. You can just disable data on the USB port options menu in GrapheneOS if you don’t want to completely turn off the whole port.

You probably already know this stuff I was just mentioning it for people reading this comment section. :)

I’m aware but it’s worth saying for the new people. :-)

In my country, it’s the law that a cop is allowed to examine a phone during a traffic stop.

One underrated feature of the Graphene OS is that you can set a duress PIN that wipes your entire phone when entered.

I have the duress pin/password set, the pin is written on a post-it in the case.

I should clarify, the cop can give the phone a once over but not connect to a machine or clone the phone. Cloning is a bit more involved - legally speaking.

Oh, I was mostly leaving the comment for other people who might be interested in the feature.

the pin is written on a post-it in the case.

That’s not a bad idea. If someone steals the phone, they might inadvertently erase it for you if they find that post-it.

I have a new strategy on the Duress. If a thief can easily reset the phone, which is what the Duress password does, they can sell the phone at a pawnshop. I now use a Duress pin that the cops will have access to but a thief wouldn’t. Examples of this are date or birth, s.i.n.

Mainly the locked bootloader that GrapheneOS offers. It’s more secure, and GrapheneOS emphasizes security over all else, but privacy features are part of that security.

As well as all the other security features offered by Pixels, like the Titan M2 secure element, which securely stores encryption keys and makes brute-force attacks basically impossible.

Other OSs let you lock the bootloader too. I know that iodéOS and CalyxOS do, for example.

I like calyx, might try graphene some day. But I absolutely won’t run Google’s play services ala graphene. It’s sandboxed, supposedly, but why run it at all?

Calyx uses microG, a much smaller, fully open source emulator of Google’s services.

@RubberElectrons @multi_regime_enjoyer its not actually fully open source, it uses a lot of closed-source libraries, and its not as battle-tested as google’s official one so there really isn’t a reason to use it

Just about all of your identifying data is stripped out by the framework before interacting with Google at all: https://github.com/microg/GmsCore/wiki/Google-Network-Connections

That alone makes it an important tool. I’m not too worried about memory exploits as I don’t really install apps, but it’s an important feature in graphene’s toolkit.

For most people who want an Android alternative that’s open source but don’t have time to fiddle with it, calyxOS seems like a good solution. It just works out of the box.

Just about all of your identifying data is stripped out by the framework before interacting with Google at all

For all of them, we strip device identifier (MAC addresses, IMEI, etc)

This is literally nothing special, as all user-installed apps are denied access to identifiers like the IMEI and MAC address since Android 10. Since GrapheneOS isolates Play services in the Android application sandbox, they don’t have access to any of these identifiers either.

I’m not too worried about memory exploits as I don’t really install apps

That’s not how memory corruption exploits work. These can occur anywhere in the system, and just need to be triggered by an attacker. This doesn’t require you to install an app, receiving a rogue message might for example be enough to exploit a memory vulnerability in the SMS app. Visiting a rogue website, which loads malicious JavaScript can be enough to trigger a memory corruption vulnerability in the Chromium WebView. That’s why GrapheneOS doesn’t just use hardened_malloc, but it also disables the JavaScript JIT compiler in Vanadium by default, and offers a toggle in the settings to disallow JavaScript JIT compilation in all apps making use of the system WebView component.

Very nice. Can I use the much smaller codebase of microG instead of Google’s? Even you do not know how Play Services actually works, and that’s a problem.

Further, a memory exploit that leads to compromise would need a chain of privilege escalation. There’s a lot in the way of making that trivial even on stock Android. And you know what helps reduce risk of exploit? Smaller codebases.

but why run it at all?

Because it is unfortunately required by some apps. microG is not a viable alternative, as it requires root access on the device, which drastically reduces the security. It also has worse compatibility than Sandboxed Play services, and doesn’t offer much of a benefit. It still downloads and executes proprietary Google blobs in the background in order to function. Apps that require Google services also include a proprietary Google library, making microG essentially useless. It’s an open source layer that sits between a proprietary library and a proprietary network service, using proprietary binaries and requiring root access. You gain absolutely nothing from using it, and significantly increases the attack surface of your device.

fully open source emulator

This is simply false, as I explained, only a tiny bit of what microG requires to function is open source

You’re far better off using Sandboxed Play services on GrapheneOS

Dude I’m looking at the source code, there’s only a binary downloaded for enabling Safety net. Why are you making false statements?

The legacy SafetyNet check bypass may not be around much longer especially because hardware based attestation will be gradually replacing it.

https://grapheneos.social/@GrapheneOS/111504057847795464

Below is a guide for app developers who want to support third party OSs in a way that does not rely on Google. Most apps work on GrapheneOS just fine already but there are some banking apps and NFC payment systems that do not.

https://grapheneos.org/articles/attestation-compatibility-guide

Sigh. It just doesn’t stop. But it’s ok, Pokemon go required attestation and so I simply stopped playing. Thanks for your links.

I’ve wanted to run graphene but absolutely do not want google code running on my system if I can avoid it. If only there were some way to run microG on graphene.

Calyx doesn’t actually support Google Play Services or Google Services Framework. It uses microG, a sometimes buggy workaround that requires root access and has pretty poor compatibility. GrapheneOS on the other hand uses the official Google Play binaries, but isolates them in the Android application sandbox, instead of installing them as system apps with special privileges (like it is the case on stock Android). You can read more about it at https://grapheneos.org/features#sandboxed-google-play

Can you elaborate on MicroG needing root? To my understanding that is only required on ROMs that don’t require Sig. Spoofing, and Calyx does support it, specifically and only for MicroG.

I’m not entirely sure if all of microG needs to run as root, but I’m pretty sure that some parts do. Nonetheless, microG runs in the priv_app SELinux domain instead of untrusted_app, reducing the isolation and granting it more access to sensitive APIs. Sandboxed Google Play on GrapheneOS on the other hand is a normal application that can be installed and uninstalled by the user, running in the untrusted_app domain. It is tightly controlled by the Android permission mechanism, and doesn’t have any permissions by default.

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