WhatsApp by default allows anyone with your phone number to message you or add you to a group. This is similar to how anyone can send you an SMS or email if they have your contact information. But, you can change the privacy settings if you don’t want unknown users to add to you in a group.
Your WhatsApp group privacy setting is by default set to “Everyone,” which the company says will help you easily connect with those who are not in your contacts list. The privacy-conscious users do get the ability to control who can add them to a group by tweaking the WhatsApp Settings.
However, note that the changes you will make to group privacy settings “can’t be made on WhatsApp Web or Desktop, but the settings from your phone will be synced with WhatsApp Web and Desktop.”
How to change group privacy settings?
All the Android WhatsApp users can do this by visiting the Settings section > Account > Privacy > Groups. The…