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<body class='hmmessage'><div dir='ltr'><br>Scott,<BR>&nbsp;<BR>Help me understand why you distinguish a series of dependent sequential authentications from multi-factor authentication.<BR>&nbsp;<BR>I think DUO and Microsoft's MFA solutions are better than RSA SecureID and similar products&nbsp;because they use a separate communication channel.<BR>&nbsp;<BR>I think all three approaches qualify as strong, multi-factor authentication technologies but you seem to disagree.<BR><br>Randy<BR>&nbsp;<BR>                                               </div></body>
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