We use cookies for the following purposes:

authentication and navigation - we use cookies to identify you when you visit our websites and as you navigate our websites;

personalisation - we use cookies to store information about your preferences and to personalise our websites for you;

security - we use cookies as an element of the security measures used to protect user accounts, including preventing fraudulent use of login credentials, and to protect our websites and services generally; and

analysis - we use cookies to help us to analyse the use and performance of our websites and services.


Most browsers allow you to refuse to accept cookies and to delete cookies. The methods for doing so vary from browser to browser, and from version to version. You can however obtain up-to-date information about blocking and deleting cookies via these links: (Chrome); (Firefox); (Opera); (Internet Explorer); (Safari); and (Edge).

Blocking all cookies will have a negative impact upon the usability of many websites.

If you block cookies, you will not be able to use all the features on our websites.