Cookies Policy

The name of the cookie refers to a small set of data that has been downloaded and may be stored on your device, e.g. on your computer (or other devices that support an internet connection, such as a smartphone or tablet). The cookie allows the site to "remember" your actions when you browse it. Each cookie is unique to your browser and contains some anonymous information. A cookie typically contains the name of the cookie field, the cookie's 'permanent life', and a value (usually in the form of a randomly generated unique number). Although the majority of browsers support cookies, the user can set their browser to not accept cookies or to delete them afterwards.

Utility of cookies

Cookies perform different functions (for example, they distinguish you from other visitors to the same site or remember certain things for you as your preferences) and are used by most websites to improve your experience as a user or to measure site’s traffic in aggregate or specific pages only. Indicatively, they can record the number of visitors live or per hour of the day, their geographic origin, the operating system and their computer screen resolution, the page from which they came (via a search engine, a link from another page or directly input), the keyword used in the search engine, etc. Other cookies can remember, in order to facilitate the user, the chosen language or search results on a site. Others can record failed attempts to enter the user on a site to require (after a certain number of unsuccessful attempts to enter) the further cross-checking of their data, such as by entering an additional code that is sent via SMS to its mobile phone.

Use of cookies

The website under the name "", hereinafter referred to as "the site", stores cookies in the terminal equipment of its visitors to improve their browsing and to measure their traffic.

These cookies do not compromise the privacy and sensitive personal data of users. The site contains links to other sites of the Technical University of Crete as well as to third-party websites. These sites are likely to use different cookies, so the user must be informed about the cookies by reading the corresponding section of each site.

1. CMS Cookies

The site is designed based on the TYPO3 Content Management System (CMS), which by default stores cookies on the user's computer to improve its browsing on the individual pages. These cookies are as follows:

Necessary Cookies

The necessary cookies used by the site are session cookies. Session cookies allow users to be identified while browsing a site so that their options are memorized and transferred from page to page.

The session cookies used by the site are as follows:


Used by the web server / PHP to uniquely recognize a user's session. The session starts at the first call and remains the same until the user closes the browser window.

  • fe_typo_user

This cookie is a typical session cookie from TYPO3. In the case of a user login, it stores the session ID through which the user is identified for access to protected areas. The session cookie is automatically deleted from the user's computer after the end of the session, which occurs exactly 7 days after the last action on the site.

  • be_typo_user

This cookie is used to determine if the site visitor is logged in to the CMS backend (CMS) and who is the backend user (only for administrators). The cookie is automatically deleted from the user's computer after the end of the session, which occurs exactly 60 minutes after its last action within the management environment.

2. Matomo Analytics Cookies

The site uses the Matomo platform to measure the traffic of its individual pages. The Matomo platform uses cookies to report user interactions to the sites that use it. These cookies are used to store non-personally identifiable information as their anonymous mode has been activated. The Matomo platform cookies, which are stored through our site on the user's terminal equipment, are as follows:

  • _pk_id

The cookie called "_pk_id" serves to identify the unique visitors to the site and has a default life of 13 months from the last user's visit to the site.

  • _pk_ses

The cookie called "_pk_ses" is responsible for maintaining the session for 30 minutes after the last action of the user has been recorded. When the cookie expires (after 30 minutes of inactivity) it is considered that the user's visit to the site is complete.

  • _pk_ref

The cookie called "_pk_ref" contains information about the source of visitors to our site, which sites were driven from our site. This cookie has a default life of 6 months.

Please note that the life of the above cookies may be changed by the Matomo platform without prior notice.

3. YouTube Cookies

The site on multiple pages contains embedded videos from our official YouTube channel, enabling visitors to watch them directly. This service is provided using YouTube's Privacy Enhancement feature. This feature may set cookies on your computer as soon as you click on the YouTube video player but will not collect information about your preferences and will not affect your browsing experience on For more details on YouTube's privacy enhancement feature, please see:

Obligation of consent to store cookies

The installation and use of "cookies" is regulated in particular by Article 4 (5) of Law 3471/2006 (which transposed Directive 2002/58 / EC into Greek law) according to which the installation and use of the "cookie" is allowed only with the consent of the user. A site may install such a "cookie" only if the user has given its consent after clear and extensive information about the installation, the purpose of the processing, the exercise of the right of access and any recipients of the data. This consent can be given through appropriate settings in the web browser or other application.

Control and deletion of cookies

You can control and / or delete cookies according to your wishes. Details can be found here: You can delete all cookies already on your computer, as well as set up most browsers in a way that prevents cookies from being installed. However, in this case, you may need to customize certain preferences yourself whenever you visit a site, and some services may also not work.