When it comes to data breaches of major online services like LinkedIn, MySpace, Twitter and VK.com, it’s two-factor authentication that could save you from being hacked.
Two-factor authentication or 2-step verification is an effective way to secure online accounts, but many users avoid enabling the feature just to save themselves from irritation of receiving and typing a six-digit code that
Source: Google makes 2-Factor Authentication a lot Easier and Faster