Last updated: 1 January 2025

The Information Systems and e-Business Laboratory (ISeB Lab), Department of Applied Informatics, University of Macedonia, uses cookies and similar technologies on its website. This Cookies Policy explains what cookies are, how we use them, and how you can manage your preferences. By continuing to use our website, you consent to our use of cookies as described in this policy.

1. What Are Cookies?

Cookies are small text files that are placed on your device (computer, tablet, or mobile) when you visit a website. They are widely used to make websites work more efficiently, to remember your preferences, and to provide information to website owners about how their site is being used. Cookies cannot run programmes or deliver viruses to your computer; they are uniquely assigned to your browser and can only be read by the web server that issued them.

2. Types of Cookies We Use

We use the following categories of cookies on our website:

Category Purpose Examples
Strictly Necessary Essential for the website to function. They enable core features such as session management and secure login. The website cannot function properly without these cookies. Session ID, CSRF token
Functional Allow the website to remember choices you have made (such as language or region) and provide enhanced, personalised features. Language preference, login state
Analytics & Performance Help us understand how visitors interact with our website by collecting and reporting information anonymously, so we can improve the site's performance and content. Google Analytics (_ga, _gid, _gat)
Third-Party / Embedded Content Set by third-party services embedded in our pages (e.g., YouTube videos, social media widgets). These parties may use cookies to track your activity across other sites. YouTube, social share buttons

3. Cookies Set by Google Analytics

We use Google Analytics to understand how visitors use our website. Google Analytics places cookies on your device to collect data in an anonymous form, including the number of visitors, the pages visited, and the time spent on the site. This information helps us improve the website and tailor our content. The data is aggregated and does not identify individual users.

The main Google Analytics cookies used on our site are:

  • _ga – Registers a unique ID used to generate statistical data on how you use the website. Expires after 2 years.
  • _gid – Registers a unique ID used to generate statistical data on how you use the website. Expires after 24 hours.
  • _gat – Used to throttle request rate. Expires after 1 minute.

You can opt out of Google Analytics tracking across all websites by installing the Google Analytics Opt-out Browser Add-on.

4. Session Cookies

We use session cookies to manage your login state when you access the members' area of our website. These cookies are strictly necessary and are automatically deleted when you close your browser. They do not store any personally identifiable information beyond what is needed to maintain your authenticated session securely.

5. How Long Do Cookies Last?

Cookies can be either session cookies, which expire when you close your browser, or persistent cookies, which remain on your device for a set period or until you delete them. The specific duration of each cookie we use is set out in the table in Section 2 and Section 3 above.

6. Managing and Disabling Cookies

You can control and manage cookies in your browser settings. Most browsers allow you to:

  • View the cookies stored on your device and delete them individually or all at once.
  • Block third-party cookies.
  • Block cookies from particular websites.
  • Block all cookies from being set.
  • Delete all cookies when you close your browser.

Please be aware that restricting cookies may impact the functionality of our website. Strictly necessary cookies cannot be disabled without significantly affecting how the site works.

For guidance on how to manage cookies in your specific browser, please visit:

7. Your Rights Under GDPR

If you are located in the European Economic Area (EEA), you have certain rights regarding the use of cookies that process your personal data, under the General Data Protection Regulation (GDPR) and the ePrivacy Directive. These include the right to withdraw your consent to non-essential cookies at any time without affecting the lawfulness of processing carried out prior to withdrawal. To exercise this right, you can adjust your browser settings as described in Section 6 above or contact us directly.

8. Changes to This Policy

We may update this Cookies Policy from time to time to reflect changes in technology, legislation, or our data practices. Any changes will be posted on this page with an updated "Last updated" date. We encourage you to review this policy periodically to stay informed about how we use cookies.

9. Contact Us

If you have any questions about our use of cookies or this Cookies Policy, please contact us:

  • Information Systems and e-Business Laboratory
  • Department of Applied Informatics, University of Macedonia
  • 156 Egnatia Str., GR-546 36, Thessaloniki, Greece
  • Email: iseb@uom.edu.gr

You may also wish to read our Privacy Policy.