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Passkey technology is elegant, but it’s most definitely not usable security
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<blockquote data-quote="Wrecker4923" data-source="post: 1118553" data-attributes="member: 110877"><p>I think it's useful to consider passkey (private key) protected differently. </p><ul> <li data-xf-list-type="ul">Passkeys stored on FIDO2 key are protected by <strong>HARDWARE</strong>. Possibly breachable by side-channel attack, but mostly considered very safe from extraction. This is the gold standard.</li> <li data-xf-list-type="ul">Passkeys stored associated with Windows Hello + TPM are protected by <strong>HARDWARE</strong> in combination with a <strong>privileged, highly protected OS component</strong>. They are likelier to be breached than the above, but it may require an unfixed OS vulnerability and/or AV/EDR ineffectiveness.</li> <li data-xf-list-type="ul">Passkeys stored in a user-space password manager. Weakest of all three, but is still a process designed for secret protection.</li> </ul></blockquote><p></p>
[QUOTE="Wrecker4923, post: 1118553, member: 110877"] I think it's useful to consider passkey (private key) protected differently. [LIST] [*]Passkeys stored on FIDO2 key are protected by [B]HARDWARE[/B]. Possibly breachable by side-channel attack, but mostly considered very safe from extraction. This is the gold standard. [*]Passkeys stored associated with Windows Hello + TPM are protected by [B]HARDWARE[/B] in combination with a [B]privileged, highly protected OS component[/B]. They are likelier to be breached than the above, but it may require an unfixed OS vulnerability and/or AV/EDR ineffectiveness. [*]Passkeys stored in a user-space password manager. Weakest of all three, but is still a process designed for secret protection. [/LIST] [/QUOTE]
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