If you are using gmail and If you want to improve security of your google account to ensure no one can hack into your account then 2-step verification is the solution that is provided by google for you, and I bet you that it would be twice harder for a hacker to hack your account than the normal process. The two steps in process 1. Entering the Password. 2. Entering the Code that you receive in your mobile. So, By Opting in to this 2-step verification you have to enter password as well as the code that is instantly received to your mobile when you are trying to login into your gmail account. There are also some other options like Remembering the browser in device for next 30 days so that you need not enter the code as part of 2-step as the device is registered for 30 days. You can set up a back up code so that you Read more