This two-step verification method was first introduced by Google. And then it was followed by all bug social networks. Now LinkedIn announced in Friday that users must activate two-step verification via SMS to protect their accounts from violation or hacking. In LinkedIn accounts they are already protected by a series of automatic checks. According to the LinkedIn blog “Now, we are introducing a new optional feature that adds another layer of security to your LinkedIn sign-in: two-step verification. Read more at here“
This sudden method was introduced by LinkedIn because, last year LinkedIn was Hacked. The Russian Hacker stoles about 6 million encrypted passwords. Before a month Twitter accounts were hacked and password were stolen. For the main reason of hacking social netoworks are ready to use two-step verification for thier users accounts. Share your thoughts in comments!