Google Authenticator now supports Google Account synchronization (Google Online Security Blog)
Christiaan Brand, Group Product Manager We are excited to announce an update to Google Authenticator, across both iOS and Android, which adds the ability to safely backup your one-time codes (also known as one-time passwords or OTPs) to your Google Account. Across all of your online accounts, signing in is the front door to your personal information. It’s also the primary entry point for risks, making it important to protect. We make signing into Google, and all the apps and services you love, simple and secure with built-in authentication tools like Google Password Manager and Sign in with Google, as well as automatic protections like alerts when your Google Account is being accessed from a new device. We released Google Authenticator in 2010 as a free and easy way for…