After Cambridge Analytica case, Facebook announced security improvements to prevent future interference with elections. Facebook plans to improve the security of elections in four main areas: combating foreign interference, removing fake accounts, increasing ads transparency, and reducing the spread of false news. Facebook is working to distinguish between motivations for spreading misinformation and implement the necessary countermeasures. The social media giant is currently blocking millions of fake accounts each day with a specific focus on those pages that are created to spread inauthentic civic content.”]
Source: https://securityaffairs.co/wordpress/70956/intelligence/facebook-election-improvements.html