Duo Security is the easiest two-factor authentication service to deploy, administer, and use. It integrates with your VPNs, servers, and web applications to provide login security for all of your remotely accessible services. All your users need is a phone. Duo's two-factor authentication platform can protect access to your Joyent Cloud Portal and all of the servers you have hosted with Joyent. Create an account and start protecting your Joyent resources in minutes.