this post was submitted on 16 Oct 2024
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So one password to access them all basically?
That's quite a weakness.
It''s really up to the end device (and the user of said device) to decide how much security to put around the local keys. But importantly, it also requires access to the device the passkeys are stored on which is a second factor. And notably many of the implementations of it require biometrics to unlock.
The "one password" thing is also true of password managers, of course. One thing about having one master passphrase is that if you do not have to remember 50 of them, then you can make that passphrase better then you otherwise might, plus it should be unique, which prevents one of the most common attack vectors.
That's essentially how all password managers work currently though?
True, I hoped for something better :-/
If it makes you feel better, most PINs on modern devices are hardware backed in some way (TPM, secure enclave, etc) and do things like rate limiting. They'll lock out using a PIN if it's entered incorrectly too many times.
If you get my master keepass password, you have all my passwords, too.
As I said to Spotlight7573 yes true, I just hoped for something better.
If you're paranoid about this, go buy a yubikey and use that to secure your device/access to your passkeys. Being able to secure your own data instead of relying on the admin who may or may not know what they're doing to secure the server is an advantage of passkeys.