What are cookies and why you should be careful before accepting them – tell me about the science

What are cookies? This is what you need to know.

Well, that’s something we’ve all come across, and probably on more than one occasion I’ve agreed to biscuit without knowing what’s going on. This is understandable, sometimes you want to find a short answer by searching on Google and when you are given the option to ‘Accept’ or ‘More Information’ we simply choose the first answer and move on.

What are cookies?

Cookies Small computer files that contain pieces of data A website is sent to and stored in the browser. In other words, cookies get data about us that can be remembered later by facilitating your browsing habits and preferences. See below some of the data that cookies can save:

  • user name
  • passwords
  • phone number
  • IP
  • The characteristics of the browser and device you are using
  • The pages you visited
  • Language, content in your cart, product preferences, etc.
There are several types of cookies

In general, there are temporary and permanent; With the difference that the timer only lasts as long as you keep the session open. Among other things, they have the following main purpose:

  • When you visit a new website, it will ask you if you accept or decline cookies, this way it can record your search preferences and some data if you are logged in. If the user returns to this site in the future, the browser will deliver the information to the web page in the form of a cookie.

This is to improve the user experience. For example, if you have to fill out forms or fill out data all the time, cookies can give you a boost. In the same way with your preferences in accessing different sites. Google explains that YouTube uses the ‘PREF’ cookie to store information such as your preferences for your pages and playback preferences; “For example, the autoplay options you selected, content mixing, and player volume. In YouTube Music, these preferences include volume, repeat mode, and autoplay.”

  • Advertising. These small files are the key to advertising on the Internet. In this case, the action of the cookie would be to provide information to companies of different brands about our tastes, interests and preferences.
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Beware of third party cookies. These belong to an external page, and are often the property of advertisers. According to KasperskyThe most problematic third-party cookies allow advertising companies to track a person’s web browsing history on any site containing their ads.

Are cookies dangerous?

The cookies themselves are not dangerous, they are not spam or some kind of computer virus. The problem arises when we accept too many cookies and on unknown sites. some cafe attack They hijack cookies and thus track browsing logs, which raises security concerns.

Remember that the more cookies you accept, the less privacy you have. Although it can be very useful and will make your life easier while browsing the internet, at some point it may store a lot of personal data that you may not be aware of. However, this can be deleted or all browsing data emptied in any case. Would you like an article on how to delete or disable cookies? Leave us a comment.

As additional informationAnd the Kaspersky The name “cookie” comes from “magic cookies,” a term coined by web browser programmer Lou Montoli. The term describes packets of information that are sent and received unchanged. In English cookie it also means cookie, but this is purely a coincidence.

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