4/1/2023 0 Comments Yubikey 5 amazon![]() ![]() The problem here then is your security posture is only as strong as the weakest link i.e., you’re exposed to the downsides of TOTP all over again e.g., shared secret, no origin validation, PITA to use, etc.Īdditionally, some sites/services have gone down the path of implementing their own 2SV e.g., Blizzard Authenticator, Macquarie Authenticator, … so you can’t even use a Yubikey for U2F nor TOTP. E.g., with 1Password you can only setup regular “old” TOTP as an alternative and therefore backup (note you can use your Yubikey for both U2F and TOTP and other things too - this is where people get confused). ![]() RE: backup, yes, ideally you want to always register two but that’s not always possible. Others e.g., 1Password don’t (you can only register one). Yep, some sites/services e.g., Google allow you register multiple security keys (for use with U2F). ![]()
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