Imagine using a highly touted security feature, only to see it backfire in the most spectacular way, causing you to lose more than just time but also money. Now imagine it happening to a Bitcoin wallet that you’ve carefully guarded for the past few months or years. It surely isn’t a pleasant thought.
More than just a scary thought experiment, the above is actually a very real threat for many owners of Bitcoin wallets. Basically, anyone who has enabled two-factor authentication through SMS can be robbed of their bitcoins. and all it takes is some basic personal info.
Read More Here: http://www.newsbtc.com/2017/09/30/hackers-find-exploit-sms-two-factor-authentication-empty-bitcoin-wallets/