Newsweek: “The video-conference app Zoom plans to strengthen the encryption of its service for paying customers, but the upgrade will not be available to users of its free service. The tech company discussed the encryption boost on a call with civil liberties groups earlier this week. Zoom security consultant Alex Stamos later confirmed the details of the reported move in an interview with Reuters, which first reported the changes on Friday. But he also told the news outlet that Zoom’s plans could still change…”