2FA is now available for Amazon customer accounts: <a href="http:&#x2F;&#x2F;betanews.com&#x2F;2015&#x2F;11&#x2F;18&#x2F;how-to-enable-two-factor-authentication-on-your-amazon-account&#x2F;" rel="nofollow">http:&#x2F;&#x2F;betanews.com&#x2F;2015&#x2F;11&#x2F;18&#x2F;how-to-enable-two-factor-auth...</a><p>The option is only (at the moment) available for Amazon.com accounts, but if you enable it there is will also be turned on for other domains Amazon.co.uk etc.