2.3bn Facebook users must re-login post data breach: Experts
Cyber experts have warned that over 2.3 billion Facebook users must log out and log back in across devices or third-party apps that use Facebook login. This comes after Facebook admitted that hackers broke into nearly 50 million users' accounts by stealing their 'access tokens' or digital keys. Further, Facebook reset the 'access tokens' of the accounts that were affected. 