Way back in June 2012, news first appeared that LI ID’s and Passwords were compromised.
The Twitter Hacking episode in early May 2013, was one of the main reasons for LI to speed up its 2FA offering to its subscribers.
The LI 2 FA is an optional service, designed to verify the identity of users as they log in by requiring them to enter numeric codes sent via text message
The 2 Factor Authentication service has been offered to all its 225+ million users. The feature is available in most countries, as LI seems to have tied up with a major service integrator.
- LinkedIn Just Added Two-Factor Authentication, So Enable It Now (lifehacker.com)
- LinkedIn Rolls Out Two-Factor Authentication (socialtimes.com)
- Following Twitter and Evernote, LinkedIn beefs up security with optional two-step verification via SMS (thenextweb.com)
- How to Hack Twitter’s Two-Factor Authentication (securitywatch.pcmag.com)