What are Cookies?

“A cookie is a small file, typically of letters and numbers, downloaded on to a device when the user accesses certain websites. Cookies are then sent back to originating website on each subsequent visit. Cookies are useful because they allow a website to recognise a user’s device.” – Text taken from ICO document ‘Guidance on the rules on use cookies and similar technologies’, dated 13 December 2011.

Broadly speaking, cookies are either ‘session-based’ or ‘persistent’. The former is deleted when you close your browser. The latter is more likely to collect a greater amount of personal information, such as browsing behaviour if so-configured, and is deleted manually or on its expiration date.

These "cookies" are stored on your internet browser on your device, which may be a PC, laptop, games console, tablet or other internet enabled device. You can usually modify your browser to prevent this happening. This information collected in this way can be used to identify you unless you modify your browser settings.

ENSA Cookies

ENSA's website, uses the following cookies:

ASP.NET_SessionID Stores a temporary unique identifier for your session – no other information is stored. This cookie is removed when you close your browser. Expires on exit of browser
ASPXAUTH When you are logged in, this cookie stores a value which identifies you to our site. This value is encrypted and can only be read by the server. If you use the Remember Me function this cookie remains on your computer for 3 months, otherwise it is removed when you log out of the site. Expires on exit of browser or 3 months (when you choose to "remember my username")
PHPSESSID This is a session cookie that allows you to login to the website, you need this enabled to use our services.

Cookies relating to other services

Our website also uses cookies which relate to other internet services.


We use Google Analytics to analyse the use of our website.

Our analytics service provider generates statistical and other information about website use by means of cookies. The analytics cookies used by our website have the following names:
_utma, _utmb, _utmc and _utmz.

The information generated relating to our website is used to create reports about the use of our website. Our analytics service provider’s privacy policy is available at:

We may also publish Google AdSense interest-based advertisements on our website. These are tailored by Google to reflect your interests. To determine your interests, Google will track your behaviour on our website and on other websites across the web using the DoubleClick cookie. Find out more about how Google uses this data.

You can view, delete or add interest categories associated with your browser by visiting:

You can also opt out of the AdSense partner network cookie using those settings or using the 'Your Online Choices' multi-cookie opt-out mechanism at:

However, these opt-out mechanisms themselves use cookies, and if you clear the cookies from your browser your opt-out will not be maintained. To ensure that an opt-out is maintained in respect of a particular browser, you may wish to consider using the Google browser plug-in available at:


We use the Facebook Custom Audience Pixel to measure, optimize and build audiences for advertising campaigns served on Facebook.

In particular it enables ENSA to see how our users move between devices when accessing the our website and Facebook, to ensure that ENSA’s Facebook advertising is seen by our users most likely to be interested in such advertising by analysing which content a user has viewed and interacted with on the ENSA web site.

User information will be deleted after 180 days, until the user visits our website again, and no personal information about individual visitors to the website will be disclosed to ENSA. This feature only allows us to advertise to website customer target groups, in a targeted way, once the customer target group has reached a critical mass. This makes it impossible for ENSA to discover the identity of individual visitors.

You can also opt out of the Facebook behavioural advertising cookie using the 'Your Online Choices' multi-cookie opt-out mechanism at:

For further information about the Facebook Pixel please see:

The Facebook privacy policy is available at:


We use AddThis to allow our website users to like and share content on a range of services, such as social media and email, directly from our website. The AddThis cookies have the following names:
__atuvc, Uit, Ssh, Sshs, Ssc, Uid, Uvc and psc.

AddThis explain their cookies (anonymous tracking cookies) here and the AddThis privacy Policy can be found at:

You can also opt out of the AddThis behavioural advertising cookie using the 'Your Online Choices' multi-cookie opt-out mechanism at:

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