https://techcrunch.com/2020/06/09/whatsapp-resolves-issue-that-exposed-some-users-phone-numbers-in-google-search-results/

WhatsApp has resolved an issue that caused phone numbers of some of its users to appear in Google search results.

The fix comes days after a researcher revealed that the phone number of WhatsApp users who created a simplified link to allow others to chat with them or join a group appeared in search results.