diff --git a/index.bs b/index.bs index 5863a665e..1081562cf 100644 --- a/index.bs +++ b/index.bs @@ -6001,9 +6001,8 @@ leakage due to such an attack: - When verifying an {{AuthenticatorAssertionResponse}} response from the [=authenticator=], make it indistinguishable whether verification failed because the signature is invalid or because no such user or credential is registered. - - Perform a different authentication step, such as username and password authentication, - before initiating the WebAuthn [=authentication ceremony=]. - This moves the username enumation problem from the WebAuthn [=authentication ceremony=] + - Perform a multi-step [=authentication ceremony=], e.g., beginning with supplying username and password, before initiating the WebAuthn [=ceremony=] as a subsequent step. + This moves the username enumation problem from the WebAuthn step to the preceding authentication step, where it may be easier to solve.