What are cookies?

Cookies are in use all over the internet, on many websites, they help the website to recognise it's users.

When you first go onto a website, even just browsing, your browser will send a cookie to the website. The cookie sends some basic information about your browsing, such as sites you visit, and your preferences. Cookies can have different functions, such as Authentication Cookies. Authentication Cookies help the website to remember if you're logged in or not. The Authentication Cookies help the site also remember what data to show you, and what account you're on, without them, the site just wouldn't know! Authentication Cookies can vary in security, this depends on things like if the data is encrypted or not, and your browser alongside the website's security itself. Big users of Authentication Cookies include Amazon,, Supermarkets and many others.