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Yubico and Microsoft Introduce Passwordless Login

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Re: Yubico and Microsoft Introduce Passwordless Login

#81
My problem is that Microsoft doesn't allow swapping in and out of authentication plugins like PAM.

I work primarily in a Windows shop, and I got the other co-workers in Linux because PAM supports seamless multi-factor auth. I would have went Windows, but its too obfuscated or hard to do that.

LinOTP works very well. And LinOTP works with a wide variety of tokens. Don't be locked to a single vendor.

Re: Yubico and Microsoft Introduce Passwordless Login

#82
post #78
post #70

Earlier quoted context omitted.

Because the current way sucks. 99% of the websites (I have accounts on) rely on my email for recovery and revocation. But my inbox is not an impenetrable fortress, it's a communication channel; every device I own has access to it, and could be used as a backdoor to my entire digital life. Then there's the risk of the third-party (Google banning me, being hacked, subpoena'd, etc), the privacy factor (see the Ashley Ma…

So we can't improve the current situation at all until we solve all the problems?

Good point. I think these specific problems were somewhat solved by other protocols, such as SQRL, but you are absolutely right, FIDO + email is much better than password + email.

Re: Yubico and Microsoft Introduce Passwordless Login

#83
post #26

Earlier quoted context omitted.

Passwords are utterly broken. All the entropy of memorizable passwords among humans have probably been extracted by this point. All they give you is a false sense of security. The password portion of 2FA is mostly theater, conditioned on the notion that passwords are broken. Hardware keys is the way of the future.

Except that passwords at least protect you if your hardware key is stolen. Using just a hardware key seems similarly risky to just using a password.

Your hardware key is in one place, controlled by you. Your password has been leaked all over the internet.

Re: Yubico and Microsoft Introduce Passwordless Login

#84
post #2

Can someone remind me why we don't use public key cryptography for authentication on websites?

Beyond what the other comments mention... there's also the fact that most home users only use a single browser, and user account for everyone in the family.

Re: Yubico and Microsoft Introduce Passwordless Login

#85

Good. After all the roundabout bullshit of "factors" ("2FA") and password managers, people have finally come to their senses that physical tokens are a very natural evolution of analog keys and the only real security, and should have been used from the get-go.

Keys are not the only real security... real security includes something you are, something you have, and something you know.

Having something like this combined with the something you know (passphrase) would be real closer security. Now anyone with your token can access everything that key gets access to, without you needing to be there, or sharing a passphrase. That's less secure imho.

Re: Yubico and Microsoft Introduce Passwordless Login

#86
The conversation here is blowing my mind. People are actually worried that their yubikey might get lost or stolen when likely most of your passwords are already all over the internet. I got an email from Twitter just a few days ago stating that they'd leaked my password. Twitter! Not Joe's Auto-Body who's website is being run by a high-schooler, but one of the pioneers of internet companies. They messed up. Your password is not safer "in your head" than a private key because it is not only in your head (who keeps all passwords in their head anymore anyway?)

Private keys are way, way more secure than passwords for that reason alone. You don't have to give anything secret to a third party.

If that's the one problem this solves and revocation and recovery and 2-factor are all still as difficult and broken as they are now with passwords that's still a huge win.

EDIT: more thoughts. I also really hope that hardware tokens like a yubikey are not required for every site or app. I'd like to be able to keep private keys on my phone or laptop for some things (how many of us keep our ssh keys exclusively on hardware tokens?).

Re: Yubico and Microsoft Introduce Passwordless Login

#87
post #10

Correct me if I am wrong, but passwordless login is a single-factor authentication and less secure than MFA. Depending on whenever hardware key is more or less secure than the password, the mass adoption of this could make things LESS secure.

Additionally passwords are protected by the fifth amendment [1]. A hardware key is not. This is a big part of why you always want one of your factors to be something you know . [1] https://en.wikipedia.org/wiki/Fifth_Amendment_to_the_United_...

In the United States. Maybe.

Re: Yubico and Microsoft Introduce Passwordless Login

#88

Would be interesting if this would become popular one downside I see to this is that if law enforcement get their hands on your token they can unlock the device. Also as the token can be regarded as a key rather than a password a court would be able to legally compel you to surrender it without invoking much debate regarding laws against self incrimination (e.g. the fifth).

Can't law enforcement now just ask Google or Facebook or whoever for the information they need without needing your password (or future token)?

Re: Yubico and Microsoft Introduce Passwordless Login

#89
post #86

The conversation here is blowing my mind. People are actually worried that their yubikey might get lost or stolen when likely most of your passwords are already all over the internet. I got an email from Twitter just a few days ago stating that they'd leaked my password. Twitter! Not Joe's Auto-Body who's website is being run by a high-schooler, but one of the pioneers of internet companies. They messed up. Your pass…

Still reading the comments, but is anyone actually saying passwords are more secure in general? I think most people are saying that they get locked out of their account if they lose the token. How do you validate your account is your account if the only secret you have is lost? If you 100% require a hardware token, you need at least two and/or a method to auth that is not a hardware token so you can recover in a mode where you lost one.

But on the security note. There are several types of security. Security from the people directly around you and security from everyone on the internet.

Without any malware, I could pickup my friends keys and log into their account on my computer in seconds and without their knowledge. This is harder to do with a password. At the same time a password is much easier for someone who doesn't even know who I am to attack.

It's why 2FA is so necessary, it helps defend against both methods of attack.

Re: Yubico and Microsoft Introduce Passwordless Login

#90
post #86

The conversation here is blowing my mind. People are actually worried that their yubikey might get lost or stolen when likely most of your passwords are already all over the internet. I got an email from Twitter just a few days ago stating that they'd leaked my password. Twitter! Not Joe's Auto-Body who's website is being run by a high-schooler, but one of the pioneers of internet companies. They messed up. Your pass…

As a security person, would I be happier if everyone switched from password+email to FIDO+email? Certainly.

But FIDO has more competition than that. Since it's not backwards compatible with most existing systems, we have to choose which new protocols to support: passwordless, ssh-like keys, certificates, SQRL, etc. There's limited trust and resources to go around.

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