this post was submitted on 11 Oct 2023
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Passkey is some sort of specific unique key to a device allowing to use a pin on a device instead of the password. But which won't work on another device.

Now I don't know if that key can be stolen or not, or if it's really more secure or not, as people have really unsecure pins.

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[–] [email protected] 32 points 2 years ago (4 children)

It's definitely more secure, since stealing someone's phone is much more difficult to scale up compared to stealing passwords.

[–] [email protected] 31 points 2 years ago (2 children)

I don't think that access to your personal data/email/files being dependent on a battery-powered electronic device is a great idea, to be honest.

[–] [email protected] 2 points 2 years ago (1 children)

That's why they invented chargers, eh.

But more seriously, there are recovery procedures if you lose a phone with or without a backup and if you are willing to share the keys with a cloud provider, you can also store them there and use them on any of your devices.

Or you can get something like a yubikey if the battery aspect is really that problematic for you.

[–] [email protected] 12 points 2 years ago (2 children)

The fact is that I fail to see something obviously wrong with outrageously long/complicated passwords managed by e.g. Bitwarden or the likes.

[–] [email protected] 2 points 2 years ago (1 children)

Long passwords can still be phished. Passkeys cannot. It's a huge upgrade.

[–] [email protected] -1 points 2 years ago (1 children)

I don't think so, but whatever.

[–] [email protected] 2 points 2 years ago

What do you mean? Do you not believe the anti-phishing features will work as described for a reason?

[–] [email protected] 1 points 2 years ago

My understanding of Apple Keychain is that every credential is useable from every device, and can be backed up and restored to a new device. Most importantly Apple doesn’t have access, although we have to trust them on that

[–] [email protected] 9 points 2 years ago (1 children)

It's not quite unique to a specific device. You can store your private key in a password manager or something similar, and then access it from other devices

[–] [email protected] 4 points 2 years ago

Depends on your personal choice. You can definitely limit them to a single, hardeneddevice if you want the highest level of security.

For most users and most situations, a synced solution will be preferable.

[–] [email protected] 4 points 2 years ago (1 children)

But it becomes much easier if you want to compromise a specific target individual

[–] [email protected] -1 points 2 years ago (1 children)

No, not really.

Even if you want to target a specific user, it doesn't become necessarily easier.

Unless you happen to target an individual that combines good password OpSec with shitty phone OpSec.

But I would expect those to be a minority.

[–] [email protected] 8 points 2 years ago (1 children)

Hi, yes, I am that minority

I have a 37 character password with both cases, numbers and special characters to login to my pw vault using long random strings

My phone has a swipe pattern lock since that is the safest lock option it allows in the first place. I wish I could lock it better, but the only other options available to me are a 4 character pin, and fingerprints/facial scan. I hope the problems with those are obvious

Couple that with the fact that I have a daily predictable commute in public transit where I have a habit to put my phone next to me during breakfast and you have a recipe for disaster.

[–] [email protected] 1 points 2 years ago (2 children)

You can still use a 37 character password to protect your passkeys in your pw vault, so it's not like anyone is forcing you to change.

It's still a single factor though. The number of times I have had to lecture IT admins that their 64 character passwords was compromised by a keylogger and that they need to move towards MFA is too damn high.

As for your phone, if that's sufficient for you, go for it.

There are better phones out there.

[–] [email protected] 1 points 2 years ago

Even FIDO2 MFA doesn’t protect you from attacks that involve malware running on your machine. If there was a keylogger on their machine then that machine is likely compromised in other ways, and any credentials entered or stored on it should be considered compromised and should be reset.

[–] [email protected] 1 points 2 years ago (2 children)

I have MFA in addition to that pw, yes

There are better phones out there.

That's news to me. Which other mobile authentication is there besides pin, pattern, facial and fingerprint?

[–] [email protected] 4 points 2 years ago

Most phones allow passwords, or at least longer length pin.

[–] [email protected] 4 points 2 years ago

My 6 character alphanumeric pin is more secure than your four digit numeric

[–] [email protected] 4 points 2 years ago

Me, at the bank:

Robbers, as they enter the bank: everybody freeze

Me: ah shit

Robbers: everyone give me your phones

Me: aw hell naw

mission impossible style shootout