Embroiled in another massive data breach , Facebook may face $1.63 billion in fine from the European Union (EU) privacy watchdog, the media reported. According to a report in The Wall Street Journal on Sunday, Ireland’s Data Protection Commission which is Facebook’s lead privacy regulator in Europe, has asked Facebook to submit more details in the incident where data of over 50 million users were hacked via “Access Tokens” or digital keys. The “privacy watchdog could fine Facebook as much as $1.63 billion for the data breach”, the report added. “ We are concerned at the fact that this breach was discovered on Tuesday (last week) and affects many millions of user accounts but Facebook is unable to clarify the nature of the breach and the risk for users at this point ,” the regulator was quoted as saying. A Facebook spokeswoman said the social media giant will respond to questions from the EU watchdog. In the biggest-ever security breach after Cambridge Analytica scandal , Facebook...