An investigation has found that search engine Google was indexing invitations to WhatsApp group chats. Which means the invite links —including links to private group chats — were discoverable & available to anyone who wants to join.
Google Is Letting People Find Invites to Some Private WhatsApp Groups -Motherboard
Google is indexing invite links to WhatsApp group chats whose administrators may want to be private. This means with a simple search, random people can discover and join a wide range of WhatsApp group chats.
via: Motherboard by Vice.