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is it safe to use an android 8 device made in 2018 to 2fauthenticate?

I own a handy asus x00p with android 8 that fits my hand (released in 2018). I have a newer android 11 device (released in 2020) but it’s larger and heavier and I don’t really like using it.

What are the security risks, if I go ahead using the 2018 model to 2fauthenticate?

Hiro8811 ,

Is it not supported by lineage os?

Braintrain ,

You can use an OTP Generator like Aegis Authenticator from F-Droid. Afaik it even works offline, so there should be no risk if you strictly keep it offline.

clmbmb ,

Why would an OTP generator even need connection to anything?

bitwolf ,

Cloud backup or to download images for the services the code links to.

Both are optional with Aegis, I use Aegis also.

PlatinumSf ,

If it’s not receiving security patches then it’s not a good candidate to use for 2factor. Risks are low but anything without security patches becomes a minor speed bump to bypass as published exploits will likely exist that are trivial to implement.

jvrava9 ,
@jvrava9@lemmy.dbzer0.com avatar

None if you keep it offline

vestmoria OP ,

I’m gonna have to ask you to elaborate:

how can I keep it offline? I need to keep the device online to receive the code, right?

alphapuggle ,

2fa codes are usually time based. As long as the system time on the device is correct it should be able to generate a matching code

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