Re: Preventing account takeovers through expired domains

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On 2/22/22 06:33, Daniel P. Berrangé wrote:
> On Sun, Feb 20, 2022 at 04:08:43PM -0800, Adam Williamson wrote:
>> On Sun, 2022-02-20 at 16:42 +0000, Gary Buhrmaster wrote:
>>> Unfortunately, last I checked, the FAS account
>>> system did not support adding something
>>> like a FIDO2 security key to an account(**).
>>> Even if it did, I suspect not all the other parts
>>> of the system would support FIDO keys.
>>
>> It used to support these, but the support was lost with the recent
>> rewrite. However, it supports Google Authenticator-style OTPs. Folks
>> with infra privileges on their accounts (like me) are already required
>> to use these. It works fine. I preferred being able to use a yubikey so
>> I don't always have to open an app on my phone and retype a six digit
>> code when I need to log in to something, but that's just a minor
>> annoyance.
> 
> Given that the accounts system already supports these OTPs, what
> is the reason for not mandating this OTP based 2FA for *all*
> contributors today, as oppposed to merely infra people ?

I very much would support this change.

> We know that Fedora contributors have had their passwords compromised
> in the past [1], so not using 2FA of any kind is a risk to Fedora.
> 
> I understand these simple OTPs are not as secure as FIDO2, but
> they have the clear advantage of actually being supported in
> Fedora's auth system today. These OTPs are good enough that 1000's
> of companies globally use them, rather than relying on plain passwords
> only.
> 
> By all means have FIDO2 supported as the desired long term goal, but
> it feels dubious to stick with only plain passwords in the meantime.
> FIDO2 support requires significant dev work on a service that is not
> under Fedora's control and make take many many years to arrive in a
> form that is usable.

I wholeheartedly agree with this statement.

> With regards,
> Daniel
> 
> [1] https://lists.fedoraproject.org/pipermail/announce/2011-January/002911.html
-- 
Sincerely,
Demi Marie Obenour (she/her/hers)

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