"Google is using Safer Internet Day to run a Drive giveaway promotion, which will bag you 2GB of extra storage space in the cloud for free. All you need to do is to provide Google with two minutes of your time to complete a security checkup, essentially making sure your account is both safe and secure."
Google is giving away 2GB of Drive storage for securing your account | Android Central
The checkup needs to be completed by February 17, and the increased 2 GB of Drive storage is a permanent increase. The increase will be added to accounts around February 28.
Google Drive Blog: A quick checkup and a simple thanks
