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2FA should be disabled until it is implemented properly
(lemmy.world)
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this post was submitted on 07 Jul 2023
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I'm starting to suspect that you haven't experienced the convenience of automated 2FA key implementation. Instead of scanning a QR code, the website automatically prompts and opens your password manager to insert and set up the 2FA verification key.
This streamlined process not only saves time but also enhances security by eliminating any potential man-in-the-middle attack, as the website itself takes care of the necessary steps.
I highly recommend trying it sometime as it offers a remarkably seamless and secure experience.
That doesn't address the issue. Yeah, that makes setting up a code easy on your device - but the code still should be verified and confirmed as working by the website before 2FA is enabled on the account.
Case in point: I used your revered "automated 2FA key implementation" for Lemmy in Authy. It set up the account in my Authy list, and 2FA was supposed to be working. I opened an icognito tab, went to log in, put in my 2FA code and... it didn't work.
Luckily, I still had my settings open in my other window and was able to deactivate 2FA.
The code should be tested and confirmed by the site before it's enabled. Otherwise you can easily get locked out of your account. This is standard practice when implementing 2FA on websites.
It appears to be an isolated incident, and I suspect that Authy software might be the cause.
I’ve utilized automated 2FA with three different instances and have successfully logged back into them multiple times without any issues using 2FA codes. Have you considered trying a different 2FA code manager instead of Authy?
It may be an isolated incident, but it would have been avoided had Lemmy confirmed the 2FA code before enabling it on the account. Like standard practice.
Besides, this issue refutes your entire premise - that automated 2FA set up is flawless.
See this thread: https://lemmy.eus/post/190738
It's an issue with many different authenticators, and it's an issue with the way Lemmy sets up its 2FA and doesn't do a confirmation afterwards. This needs to be fixed.