Instagram has added support for third-party authentication apps like Google Authenticator, Duo Mobile, and Authy. The social network was late to the game adding support for SMS-based two-factor authentication last year. The move comes after a spate of high profile hacks of Instagram accounts earlier this month. Instagram also announced that it is introducing blue check verification which will help you confirm that you are following a genuine vacuous celebrity. Follow Graham Cluley on Twitter to read more exclusive content we post.”]