Ubiquiti USW Flex Utility - outdoor enclosure designed for UniFi Switch Flex, PoE adapter included

What is a cookie?

A cookie is a small piece of data that a server sends to a user's browser, which stores it. Each time you visit the same server again, this data is read by the server. They are commonly used to distinguish the user, to help the website remember preference settings, etc. Therefore, they simplify the use of websites.

Cookies are stored on the client (user) side as short text files.

Cookies themselves cannot harm your computer. Nevertheless, cookies are important for privacy protection. This is because the website visited can store any information it learns about the visitor in the cookie and can thus gradually discovers specific user's interests. However, in no case can cookies be used to identify visitors.

The information from cookies can then be used for targeted advertising, statistical evaluation of visitor behaviour, etc. However, this information can also be obtained without cookies, so this use of cookies cannot be considered particularly dangerous.

Loosely taken from Wikipedie.