Verifying yourself on LinkedIn connects your personal information to a third party company that shares it with a massive network of partners: https://www.inc.com/kevin-haynes/privacy-expert-reveals-the-shocking-truth-of-what-happens-to-your-personal-data-when-getting-verified-on-linkedin/91306400
He Tried to Get Verified on LinkedIn. What He Discovered About His Data Shocked Him

An online sleuth raised concerns over the handling and possible sharing of biometric data.

Inc