Facebook has confirmed that hundreds of millions of user phone numbers were left in an unprotected server, which reportedly included several million British details.
Facebook has taken the drastic step of issuing Tommy Robinson with a permanent ban across its social network and Instagram.
Instagram is looking into an issue that has caused some accounts to experience a drop in their number of followers, the social network has confirmed.
Twitter accounts belonging to celebrities including Louis Theroux, Eamonn Holmes and Saira Khan were hacked on Thursday to expose a security flaw on the social network.
Donald Trump has once again called out social networks and internet giants for allegedly giving less prominence to him and fellow Republicans.