Privacy en cookies

SURF and its operating companies value the privacy of its institutions and visitors of the website, which is why SURF handles your personal data with care and complies with the Dutch Personal Data Protection Act.

Storage and security of personal data

SURF will process your personal data exclusively for the provision of the services of SURF and its operating companies to you or to your institution. Any personal data you supply will not be kept for longer than is necessary.

When processing personal data, SURF will maintain an adequate level of security in order to prevent unauthorised access to or modification, disclosure or loss of personal data.

Use of cookies on

SURF uses cookies when providing electronic services. A cookie is a small text file which is placed on your computer's hard disk when you visit a website.

SURF does not use third-party cookies.

You can refuse to allow the use of cookies by setting this option in your browser. To help you with this, use the Help function and/or the settings in your browser: Google Chrome, Internet Explorer, Firefox and Safari.

Cookies used by SURF

Functional cookie

When using the SURF website, SURF places a functional cookie which ensures the correct functioning of the website. This cookie is called JSESSIONID

Google Maps cookie

SURF uses Google Maps for an overview of the SURF member institutions. We use the Google Maps API for this. Google places a PREF cookie on your computer for this functionality. The cookie saves the zoom level, selected language and region, it does not save any personal data.

Piwik cookies

SURF uses the open source web statistics package Piwik ( to record statistical information. This gives us an insight into how visitors use the SURF website and makes it possible to improve the site.

By using Piwik, SURF is able to manage the data it processes without making it available to third parties. The collected data is saved in an encrypted environment in the Netherlands. Piwik has also been set up in such a way that the IP address of the website visitor is automatically anonymised: the last six digits of the IP address are not saved or displayed. SURF does not use cookies to identify visitors, but only uses cookies as a way to improve the website.

Piwik places the following cookies on your computer:

  • _pk_ref: This cookie establishes from which website you visited the SURF website and is valid for 6 months.
  • _pk_cvar: This optional cookie is placed, for example, when you have taken part in a survey. You will therefore not be offered the same survey twice. This cookie is valid for two years.
  • _pk_id: This cookie determines whether you are a new or returning visitor. This cookie is valid for two years.
  • _pk_ses: This cookie determines which pages on you have visited. This cookie is only valid during the relevant visit to our website.

Refusing cookies

If you don't want to provide information, click the 'Refuse cookies' button at the bottom of this page. 

Social media buttons

The social media buttons on are links to the relevant social networks. They do not place cookies.

More information

SURF is keen to be transparent about its policy on privacy and cookies. Please send questions and requests by email to

Changes to statement

SURF reserves the right to make changes to this statement. We will always publish the latest version on this website.

Latest modifications 07 Dec 2017