Steam Guard 2FA Using Alternative Authenticator Apps

[chyron8472]

I want to use 2-Factor Mobile Authentication for Steam, but I don't want to have to install the Steam Mobile App on my phone. I already have 2FA for other services, but I use the LastPass Authenticator app (LastPass' variant of Google Authenticator) for that. Steam Guard doesn't currently seem to support third-party authenticators, even Google's.

I request Steam Guard be made compatible with Google Authenticator so that I can use Steam Guard for Mobile but use the 2FA mobile app of my choice.

[Spawn of Totoro]

Not likely to happen. The 2FA that the Steam app uses is a custom 2FA that also allows the user to approve items for trade/market. Thy can't do that with a 3rd party 2FA.

[Matt]

Why is Google authenticator ok with you but not Steam?

[chyron8472]

@Matt - The Steam app only 2FA's Steam.
I don't want multiple apps, with one for each 2FA account I have--I want one single 2FA app.
I use LastPass' 2FA, which can be utilized for Google Authenticator compatible accounts. Steam's 2FA is not compatible with Google, and I want it to be, because it opens the possibility of my using the 2FA app that I want to use instead of cluttering up my phone with bloat.

[Satoru]

The 2FA is mostly for trading authorizations. You can't authorize the contents of a trade via a typical 2FA methodology.

[Somnambulist]

Actually you can - just have the trade window request the current TOTP code.

[ KARR™]

Originally posted by The_Enemys:

Actually you can - just have the trade window request the current TOTP code.

So you're back to having the possibly infected PC showing a fake window and asking for a code. The pretty much exact issue that used to happen.

[Tito Shivan]

Originally posted by The_Enemys:

Actually you can - just have the trade window request the current TOTP code.

"Please confirm this forged trade window on your compromised computer by putting the TOTP so I can steal your inventory"

The TOTP code is trade-agnostic.
The app shows exactly which are the contents of the trade you're confirming.

[Zeioth]

Originally posted by Matt:

Why is Google authenticator ok with you but not Steam?

Because I use Google Authenticator for all my accounts. And it's annoying having to use an special app only for Steam.

[cSg|mc-Hotsauce]

Originally posted by Zeioth:

Originally posted by Matt:

Why is Google authenticator ok with you but not Steam?

Because I use Google Authenticator for all my accounts. And it's annoying having to use an special app only for Steam.

valve wants you to use their app because they have 100% control over its system.

[Zeioth]

I can even login in my Microsoft account using Google Authenticator, or any other generic authenticator. But not in Steam. It's absurd.

[ KARR™]

Originally posted by Zeioth:

I can even login in my Microsoft account using Google Authenticator, or any other generic authenticator. But not in Steam. It's absurd.

It's all been explained above a year ago that they can't show trades in the google authenticator and would then need two separate systems for the one logging in purpose which would get ridiculous to manage..