WhatsApp spokesperson Alison Bonny said: “Like all content that is shared in searchable public channels, invite links that are posted publicly on the internet can be found by other WhatsApp users. The links that users wish to share privately with people they know and trust should not be posted on a publicly accessible website,” Bonny told The Verge.
Danny Sullivan, Google’s public search liaison, tweeted: “Search engines like Google & others list pages from the open web. That’s what’s happening here. It’s no different than any case where a site allows URLs to be publicly listed. We do offer tools allowing sites to block content being listed in our results.”