According to their documentation, whenever HubSpot changes the session cookie, this cookie is also set to determine if the visitor has restarted their browser. It does not correspond to any user ID in the web application and does not store any personally identifiable information.
The cookie is used by cdn services like CloudFlare to identify individual clients behind a shared IP address and apply security settings on a per-client basis. These cookies ensure basic functionalities and security features of the website, anonymously. Necessary cookies are absolutely essential for the website to function properly.
