Recent rules passed in India that threaten end-to-end encryption are being challenged in court by WhatsApp. New "traceability" rules require social media platforms with at least five million users to be able to identify the originator of a message.
New privacy labels that Apple requires are revealing some major differences between competing messaging apps, best illustrated by setting Signal next to the voracious Facebook Messenger.
WhatsApp has been in a year-long battle against Israeli firm NSO Group over unauthorized use of its cyber surveillance tools on the platform. Fellow Silicon Valley firms are filing amicus briefs in support.