LinkedIn, a social networking site designed for professionals, made a move to ensure its users' accounts are secured by adapting the two-step authentication system.
Hack attacks have been circulating the online society after the infamous breach in Twitter two weeks ago. Twitter revamped its security settings to have a two-step authentication process followed by other major sites such as Facebook, Google and Microsoft. LinkedIn has joined the club today.
Two-step authentication or verification is more secured because aside from the user knowing the password, a second factor will be required for him to access the account. It will reduce the number of unauthorized sign-ins on the account because only the user will know about the second factor.
LinkedIn's second factor will ask the user to enter a verification code if they sign in from an unrecognized computer or device. The verification code will be sent to the account owner via SMS. He will then need to type in the code to the device for him to login.
However, the user has the option whether to keep the password-only login or to migrate to a two-step authentication security setting. Should the user opt to migrate, he will then need to setup his account by going to Settings, Manage Security settings, and then select Turn On for two-step verification. All profiles are currently default to OFF.
After turning on the two-step authentication setting, the user will be asked to enter his mobile number. This is where the computer will send the verification code should he attempt to sign in to another device.
As of January 2013, LinkedIn has over 200 million users in over 200 countries. About 21.4 million U.S users visit the site monthly and 47.6 million globally. The numbers are based on Quantcast, a digital advertising firm, data.
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