Cookies are very small text files that are stored on your computer when you visit nearly all web sites. Generally the information is stored anonymously and does not contain secure information about you or your computer.
This is an essential part of the navigation of any web site and ensures a valuable user experience.
You can disable any cookies already stored on your computer or other device, but these may stop many web sites from functioning properly. Users are advised that if they wish to deny the use or saving of cookies from any web site they should take necessary steps within their web browsers security settings to block cookies, this will however likely affect the site's functionality.
Purpose and usage of Cookies
None of the above gives the site owner the right to share any personal information with third parties nor can a web site access anything on your computer you have not allowed, such as email address or passwords.